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Section A:
Properties of matter1 In an atom the neutron is found:
A in orbit around the nucleus.
B in the nucleus.
C in the shells.
D only in heavy isotopes.
2 In terms of mass, compared to a proton, an electron:
A has the same mass.
B is slightly lighter.
C is much lighter.
D weighs more.
3 The Periodic Table is arranged in order of:
A atomic mass.
B ionic charge.
C proton number.
D type of element.
4 The electrical charges on a proton and an electron are:
A both negative.
B equal but opposite.
C completely unrelated in size.
D zero.
5 The number of electrons in a full electron shell is:
A always two.
B always eight.
C sometimes two and sometimes eight.
D from one to eight.
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6 When gas particles spread out we call it:
A diffusion.
B condensation.
C sublimation.
D boiling.
7 The only one of the following which is NOT a change of state is:
A melting.
B freezing.
C boiling.
D dissolving.
8 When solid carbon dioxide turns straight into a gas we call it:
A melting.
B sublimation.
C evaporation.
D drying.
9 Particles are furthest apart in:
A liquids.
B solutions.
C gases.
D solids.
10 Ammonia gas spreads out faster than hydrogen chloride, showing that it is:
A a lighter molecule.
B a bigger molecule.
C a simpler molecule.
D a heavier molecule.
11 The number of electrons shared in a single covalent bond is:
A 1
B 2
C 4
D 8
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12 The group of elements whose molecules and atoms are the same is called:
A halogens.
B transition elements.
C noble gases.
D alkaline earths.
13 The number of double bonds in a molecule of carbon dioxide is:
A 0
B 1
C 2
D 4
14 All of the following have a charge of 1 EXCEPT for:
A chloride.
B fluoride.
C bromide.
D iodine.
15 The type of bonding that involves loss or gain of electrons is called:
A ionic.
B covalent.
C molecular.
D metallic.
16 In metals, the particles forming the structure are all:
A atoms.
B ions.
C molecules.
D protons.
17 The alloy, brass, contains copper and:
A tin.
B aluminium.
C iron.
D zinc.
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18 The proportions of elements in a pure compound are always:
A the same.
B one-to-one.
C different.
D variable.
19 None of these solutions in water conducts electricity EXCEPT for:
A glucose.
B sugar.
C sodium chloride.
D ethanol.
20 All of these elements form allotropes EXCEPT for:
A argon.
B carbon.
C phosphorus.
D oxygen.
21 We can separate an insoluble solid from a liquid using:
A chromatography.
B filtration.
C magnets.
D a separating funnel.
22 Alcohol can be separated from beer using:
A filtration.
B distillation.
C decanting.
D dissolving.
23 All of these are fractions from crude oil EXCEPT for:
A petrol.
B kerosene.
C diesel.
D ethanol.
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24 In a water condenser the cooling water enters at:
A the lower end.
B the upper end.
C the middle.
D either end.
25 One example of an emulsifying agent is:
A salt.
B soap.
C sucrose.
D water.
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Section B:
Chemical calculations26 The charge on a sodium ion is always:
A 1
B +2
C +1
D 2
27 The number of atoms in a diatomic molecule is:
A 3
B 4
C 2
D 6
28 The state symbol for a solution in water is:
A L
B w
C s
D aq
29 The number of atoms in this formula, H2SO4, is:
A 3
B 7
C 4
D 5
30 When an element combines with oxygen we get an:
A oxalate.
B ozonide.
C oxide.
D dioxide.
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31 The number of particles in a mole of any gas is always:
A different.
B the same.
C one.
D variable.
32 The standard atom used for mass calculations is:
A carbon.
B hydrogen.
C carbon-12.
D carbon-14.
33 The simplest ratio of atoms in a compound is given by the:
A molecular formula.
B formula mass.
C structural formula.
D empirical formula.
34 The two common varieties of chlorine atoms are called:
A molecules.
B isomers.
C isotopes.
D formulas.
35 The empirical formula, C6H12O6, gives the simplest ratio as:
A 1 to 2.
B 6 to 12.
C 6 to 12 to 6.
D 1 to 2 to 1.
36 The number of litres in 2000 cm3 is:
A 2000.
B 20.
C 100.
D 2.
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37 The number of kilos in 1 metric tonne is:
A 1000.
B 1.
C 100.
D 10.
38 1 mole of gas occupies 24 litres at room temperature and pressure, so the number of moles in
72 litres is:
A 72.
B 2.4.
C 3.
D 7.2.
39 In the equation, carbon monoxide + oxygen carbon dioxide, a reactant is:
A carbon.
B carbon dioxide.
C heat.
D oxygen.
40 If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass forH2O2 is:
A 17.
B 18.
C 32.
D 34.
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Section C:
Salts, reactivity and titration41 The pH scale runs from 1 to:
A 7.
B 100.
C 14.
D 20.
42 Any solution with a pH below 7 must be:
A acid.
B neutral.
C alkali.
D water.
43 When metals react with acids they give a salt and:
A water.
B alkali.
C hydrogen.
D hydrogen oxide.
44 An insoluble metal oxide can be described as:
A base.
B acid.
C alkali.
D precipitate.
45 When an acid neutralises an alkali the pH is likely to be:
A low.
B 14.
C above 7.
D 7.
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46 The Haber Process is used to make:
A sulphuric acid.
B iron.
C ammonia.
D limestone.
47 The catalyst in the Haber Process is:
A manganese dioxide.
B vanadium oxide.
C iron.
D platinum.
48 A reaction that gives out heat is said to be:
A cold.
B endothermic.
C insulated.
D exothermic.
49 To make fertilisers and explosives we need:
A carbon dioxide.
B sulphur.
C ammonia.
D charcoal.
50 Raising the temperature of a reversible reaction always encourages the:
A forward reaction.
B endothermic reaction.
C reverse reaction.
D exothermic reaction.
51 Hydrochloric acid forms salts called:
A hydrides.
B hydrates.
C chlorides.
D chlorates.
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52 To complete the reaction: acid + carbonate salt + carbon dioxide + ?, we must add the word:
A hydrogen.
B water.
C product.
D reactant.
53 A salt that is anhydrous contains no:
A metal.
B crystals.
C water.
D ions.
54 When two solutions are mixed and give a solid product we call it:
A neutralisation.
B precipitation.
C hydration.
D combination.
55 Iron chloride can be prepared from the reaction of iron and:
A chloride.
B salt.
C chlorine.
D chlorate.
56 In the reactivity series of metals the order is: sodium, calcium, magnesium, aluminium, which
means that the most reactive metal is:
A aluminium.
B sodium.
C calcium.
D magnesium.
57 When black copper oxide is heated with carbon, brown copper metal is produced, which means
that compared to copper, carbon is the:
A stronger.
B more reactive.
C less reactive.
D metal.
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58 Reactive metals such as potassium react with water to give hydrogen and:
A an alkali.
B oxygen.
C a precipitate.
D an acid.
59 Oxidation can include all of these EXCEPT for:
A loss of electrons.
B reaction with oxygen.
C forming an oxide.
D gain of electrons.
60 When zinc metal is added to copper sulphate solution the products are copper and zinc
sulphate solution, so the material that has been displaced must be:
A zinc.
B copper sulphate.
C copper.
D zinc sulphate.
61 g/dm3
are units of:A molarity.
B concentration.
C pH.
D mass.
62 Dividing the mass in grams by the mass of 1 mole in grams gives:
A molarity.
B number of moles.
C concentration.
D dilution.
63 In a titration the long tube with a volume scale is a:
A pipette.
B beaker.
Cburette.
D flask.
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64 1 mole of sodium carbonate weighs 106 g, so the number of moles in 318 g will be:
A 2
B 31.8
C 3
D 10
65 A salt that contains water of crystallisation is:
A anhydrous.
B hydrated.
C wet.
D crystalline.
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Section D:
Rates, energy and electrolysis
66 The rate of reaction between marble and hydrochloric acid can be speeded up by using:
A larger pieces of marble.
B a lower concentration of acid.
C a higher temperature.
D no catalyst.
67 If a reaction takes 50 seconds at 25 C, then at 50 C the time for the reaction in seconds is
likely to be about:
A 60.
B 100.
C 50.
D 30.
68 More collisions between particles are likely to happen if a solution is made:
Amore concentrated.
B colder.
C less concentrated.
D more dilute.
69 Powders react faster than lumps because they have:
A less surface area.
B more surface area.
C more energy.
D more pressure.
70 If a flask containing marble and acid is placed on a balance, the mass decreases steadily with
time, which means that:
A the reaction is over.
B the reaction is speeding up.
C a gas is escaping from the flask.
D the reaction is in equilibrium.
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71 In an endothermic reaction:
A energy is released.
B the products have less energy than the reactants.
C energy is absorbed.
D the products have the same energy as the reactants.
72 We use expanded polystyrene cups for heat of reaction experiments because the cups are:
A cheap.
B good conductors.
C the right size.
D good insulators.
73 To work out the heat change in a reaction we need to know just three things, the mass, the
temperature change and the:
A specific heat of water.
B starting temperature.
C end temperature.
D room temperature.
74 The units we use for heat given out by a reaction are:A degrees Celsius.
B degrees Kelvin.
C joules.
D moles.
75 All of these reactions are exothermic EXCEPT for:
A combustion.
B neutralisation.
C burning.
D decomposing limestone.
76 In electrolysis the anode is the:
A positive electrode.
B battery terminal.
Cnegative electrode.
D electrolyte.
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77 The voltages from the electrochemical series are 2.92 for potassium and +0.34 for copper,
which shows that:
A copper is more reactive.
B potassium is less reactive.
C potassium does not react at all.
D potassium is more reactive.
78 To electrolyse solid lead bromide it must first be heated so that:
A there is more energy.
B the ions can move freely.
C the atoms can move freely.
D ions can form.
79 At the cathode all of these can happen EXCEPT for:
A positive ions gain electrons.
B cations gain electrons.
C anions lose electrons.
D reduction.
80 A liquid compound that conducts electricity is:A mercury.
B an electrolyte.
C an electrode.
D made of molecules.
81 For Mg++ to turn into an atom of magnesium metal it must:
A gain one electron.
B lose two electrons.
C gain two protons.
D gain two electrons.
82 When dilute sulphuric acid is electrolysed the two gases produced are hydrogen and:
A oxygen.
B sulphur dioxide.
Csulphur trioxide.
D hydrogen sulphide.
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83 One Faraday represents:
A a temperature.
B one mole of electrons.
C the charge on one electron.
D the unit of electric current.
84 Quantity of electricity in coulombs = current in amps multiplied by:
A voltage in volts.
B resistance.
C time in minutes.
D time in seconds.
85 In electrolysing a solution of copper sulphate using copper electrodes, the anode:
A is negative.
B loses mass.
C stays the same.
D gains mass.
86 All of these are compounds EXCEPT for:
A magnetite.
B haematite.
C native gold.
D pyrite.
87 When zinc sulphide is heated in air the gas produced is:
A zinc oxide.
B sulphur trioxide.
C steam.
D sulphur dioxide.
88 When aluminium is extracted by electrolysis, cryolite is added to:
A raise the temperature.
B purify the aluminium.
C lower the temperature.
D conduct electricity.
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89 All of these materials are used in a blast furnace EXCEPT for:
A limestone.
B oxygen.
C iron ore.
D air.
90 To make car bodies we use:
A manganese steel.
B stainless steel.
C mild steel.
D high carbon steel.
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Section E:
Chemical trends91 In the modern Periodic Table the elements are arranged:
A alphabetically.
B in order of atomic mass.
C in order of neutron number.
D in order of proton number.
92 The halogens are found in:
A Period 7.
B Group 2.
C Group 7.
D Group 0.
93 Transition metals have all of these properties EXCEPT for:
A high melting points.
B coloured compounds.
C soft to cut.
D malleable.
94 Potassium reacts quickly with water but we do not use it with acids because:
A it does not react.
B it is dangerous.
C it is too slow.
D it forms a solid base instead.
95 You never find native magnesium because:
A it is so rare.
B it always occurs as alloys.
C it is too reactive.
D it is too similar to other silvery metals.
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96 The halogen, bromine, at room temperature is a:
A black solid.
B brown gas.
C brown liquid.
D pale yellow gas.
97 At 20 C all of the halogens are:
A gases.
B oxidising agents.
C neutralising agents.
D reducing agents.
98 When potassium burns in chlorine, the material that is oxidised is called:
A chlorine.
B chloride.
C potassium.
D potassium chloride.
99 With iodine, starch changes colour to:
A blue-black.
B green.
C brown.
D red.
100The halogen used to make bleach is called:
A iodine.
B fluorine.
C bromine.
D chlorine.
101All of the following are non-metals EXCEPT for:
A hydrogen.
B iodine.
C calcium.
D carbon.
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102 The non-metal used to make margarine is:
A hydrogen.
B chlorine.
C oxygen.
D carbon.
103 When limestone is heated strongly it changes into:
A calcium hydroxide.
B quicklime.
C calcium carbonate.
D slaked lime.
104 The energy used in thermal decomposition is:
A electricity.
B light.
C heat.
D mechanical.
105 Common salt can be used to make all of these EXCEPT for:
A chlorine.
B hydrogen.
C sodium hydroxide.
D glass.
106 Which one of the following gases is considerably heavier than air?
A hydrogen
B carbon dioxide
C ammonia
D nitrogen
107 The gas that relights a glowing splint is:
A hydrogen.
B sulphur dioxide.
C oxygen.
D carbon dioxide.
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108 Adding mineral water to anhydrous copper sulphate turns it:
A red.
B pink.
C colourless.
D blue.
109 A flame test colour of red could indicate the presence of a compound of:
A barium.
B sodium.
C lithium.
D copper.
110 The only common gas that turns moist red litmus paper blue is:
A hydrogen chloride.
B ammonia.
C carbon monoxide.
D sulphur dioxide.
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Section F:
Organic chemistry111 Hydrocarbons contain carbon and:
A oxygen.
B water.
C hydrogen.
D hydrates.
112 The alkane compound with seven carbon atoms is:
A methane.
B hexane.
C nonane.
D heptane.
113 Different structures based on the same molecular formula are called:
A isobars.
B isotopes.
C isomers.
D branched chains.
114 All of these are alkenes EXCEPT for:
A ethene
B ethane
C hexene
D propene
115 When large molecules are broken down into smaller ones it is called:
A fractionation.
B cracking.
C polymerisation.
D distillation.
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116 The alcohol in beer and spirits is called:
A ethane.
B methanol.
C ethanol.
D glycol.
117 Biological catalysts in yeast are called:
A enzymes.
B carbohydrates.
C saturated.
D oxidising agents.
118 Alcohol can be made by fermentation of all these EXCEPT for:
A cane sugar.
B sugar beet.
C potatoes.
D petroleum.
119 The number of carbon atoms in the alcohol, pentanol, is:
A three.
B five.
C six.
D seven.
120 The sharp-tasting compound in vinegar is:
A methanoic acid.
B hydrochloric acid.
C ethanoic acid.
D phosphoric acid.
121 A molecule of ethene can be described as all of these EXCEPT for:
A unsaturated.
B monomer.
C polymer.
D gas.
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122 A plastic that softens every time it is heated is said to be:
A thermoplastic.
B reactive.
C thermoset.
D bakelite.
123 The monomer used to make poly(propene) is called:
A polythene.
B polyvinyl.
C propane.
D propene.
124 All of these are carbohydrates EXCEPT for:
A glucose.
B starch.
C ethanol.
D sucrose.
125 The type of polymerisation used to make polythene is called:
A condensation.
B addition.
C subtraction.
D hydrolysis.
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131 Food can be preserved in all of these ways EXCEPT for:
A drying.
B removing salt.
C removing oxygen.
D bottling.
132 All of these are used as food additives EXCEPT for:
A vinegar.
B sugar.
C salt.
D benzene.
133 The main metal in tin cans used to preserve food is:
A steel.
B tin.
C zinc.
D aluminium.
134 The metal used in food containers whose surface is protected by a strong oxide layer is:
A iron.
B aluminium.
C steel.
D zinc.
135 Candied fruits are preserved in a strong solution of:
A vinegar.
B citric acid.
C lemon juice.
D sugar.
136 The second most common gas in the atmosphere is:
A nitrogen.
B carbon dioxide.
C oxygen.
D argon.
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137 The Earths first atmosphere contained all of these gases EXCEPT for:
A ammonia.
B steam.
C oxygen.
D carbon dioxide.
138 All of these are properties of carbon monoxide EXCEPT for:
A colourless.
B odourless.
C toxic.
D turns lime water cloudy.
139 The active catalyst in a cars catalytic converter is:
A iron.
B aluminium oxide.
C ceramic.
D platinum.
140 Nitrogen fixation produces:
A nitrogen.
B compounds of nitrogen.
C nitric acid.
D water.
141 A ballpoint pen mark can be removed using:
A water.
B hydrogen peroxide.
C meths.
D soap.
142 To remove limescale from a tap you need:
A an alkali.
B salt water.
C ammonia solution.
D an acid.
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143 All of these are ordered crystalline structures EXCEPT for:
A salt.
B glass.
C lead sulphide (lead ore).
D zinc metal.
144 The common name for silicon dioxide is:
A clay.
B soda ash.
C sand.
D limestone.
145 The following are all natural materials EXCEPT for:
A cotton.
B jute.
C nylon.
D hemp.
146 The major plant nutrients written as NPK refer to phosphorus, nitrogen and:
A calcium.
B sodium.
C potassium.
D iron.
147 To make cell walls, plants must have:
A magnesium.
B calcium.
C trace elements.
D nitrogen.
148 Acid soils can be neutralised by adding:
A sand.
B clay.
C lime.
D humus.
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149 All of these are trace elements EXCEPT for:
A nitrogen.
B copper.
C zinc.
D boron.
150 Herbicides are used to destroy:
A pests.
B insects.
C weeds.
D herbivores.
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Chemistry answers1 B 2 C 3 C 4 B 5 C
6 A 7 D 8 B 9 C 10 A
11 B 12 C 13 C 14 D 15 A
16 B 17 D 18 A 19 C 20 A
21 B 22 B 23 D 24 A 25 B
26 C 27 C 28 D 29 B 30 C
31 B 32 C 33 D 34 C 35 D
36 D 37 A 38 C 39 D 40 D
41 C 42 A 43 C 44 A 45 D
46C
47C
48D
49C
50B
51 C 52 B 53 C 54 B 55 C
56 B 57 B 58 A 59 D 60 C
61 B 62 B 63 C 64 C 65 B
66 C 67 D 68 A 69 B 70 C
71 C 72 D 73 A 74 C 75 D
76 A 77 D 78 C 79 C 80 B
81 D 82 A 83 B 84 D 85 B
86 C 87 D 88 C 89 B 90 C
91 D 92 C 93 C 94 B 95 C
96 C 97 B 98 C 99 A 100 D
101 C 102 A 103 B 104 C 105 D
106 B 107 C 108 D 109 C 110 B
111 C 112 D 113 C 114 B 115 B
116 C 117 A 118 D 119 B 120 C
121 C 122 A 123 D 124 C 125 B
126 B 127 C 128 C 129 B 130 D
131 B 132 D 133 A 134 B 135 D
136 C 137 C 138 D 139 D 140 B
141 C 142 D 143 B 144 C 145 C
146 C 147 B 148 C 149 A 150 C