Ch 9 Clicker Review

Acids, Bases, & Salts

Which statement about bases is false?

A. B. C. D.

25% 25%25%25%

A. Bases disassociate to make OH-.B. Bases have a pH less than 7.C. All bases taste bitter.D. All bases feel slippery.

Which is true about acids?

A. B. C. D.

25% 25%25%25%

A. ionize to form hydronium ions (H30+)

B. taste sourC. have a pH less than 7D. all the above are true

Which pH would be the weakest acid?

A. B. C. D.

25% 25%25%25%

A. 2B. 4C. 6D. 8

The pH of a substance measures its

A. B. C. D.

25% 25%25%25%

A. Boiling pointB. Food valueC. Ability to mix with waterD. hydronium ion (H30+)

concentration.

What does pH 13 mean?

A. B. C. D.

25% 25%25%25%

A. neutralB. Strong acidC. Weak baseD. Strong base

The salt Na2SO4 forms by a reaction between what acid and base?

A. B. C. D.

25% 25%25%25%

A. NaOH and HClB. NaCl and H2O.

C. NaOH and H2SO4

D. NaCl and NH3

When a solution of an acid reacts with a solution of a base, the hydronium ions (H30+) react with the hydroxide

ions (OH-) to form

A. B. C. D.

25% 25%25%25%

A. a saltB. a stronger acidC. a weaker baseD. water

When an acid reacts with a base, the pH of the resulting solution depends

on the

A. B. C. D.

25% 25%25%25%

A. amounts of acid and base used

B. concentration of base aloneC. temperature of the acid and

base usedD. concentration of acid alone

Which is a base?

A. B. C. D.

25% 25%25%25%

A. ammoniaB. HClC. vinegarD. pure water

What is a salt?

A. B. C. D.

25% 25%25%25%

A. solution that contains a strong baseB. a neutral, ionic compound C. formed by mixing two strong acidsD. contains more anions than cations

How does soap remove great and oil from your skin?

A. B. C. D.

25% 25%25%25%

A. attracts and surrounds grease & oilB. is an acid to neutralize the dirtC. dissolves the dirtD. makes water harder

Which is a base?

A. B. C. D.

25% 25%25%25%

A. LactoseB. Lemon juiceC. AspirinD. Baking soda

Which is the strongest electrolyte?

A. B. C. D.

25% 25%25%25%

A. Weak baseB. Strong acidC. Neutral solutionD. Weak acid

The salt, KCl, is formed by a reaction between which base and acid?

A. B. C. D.

25% 25%25%25%

A. KOH and H2O

B. KI and HClC. KOH and HClD. KI and NH3

Which is an example of a neutralization (double displacement) reaction?

A. B. C. D.

25% 25%25%25%

A. NaOH → Na++ OH-

B. HNO3 + H2O → H3O+ + NO3-

C. 2H2 + O2 → 2H2O

D. NaOH + HNO3 → H2O + NaNO3

A(n) ____________________ is a compound that can change color in a solution, depending on whether the

solution is acidic or basic

A. B. C. D.

25% 25%25%25%

A. pHB. IndicatorC. Neutralization reactionD. Detergent

A chemical doesn’t really get rid of stains, it just turns them white

A. B. C. D.

25% 25%25%25%

A. SoapB. DetergentC. BleachD. Electrolyte

A(n) ______ is a substance that donates hydrogen ions (H+) to form hydronium ions

(H30+) when dissolved in water.

A. B. C. D.

25% 25%25%25%

A. acidB. baseC. saltD. soap

A(n) ____ is a substance that either contains hydroxide ions (OH-) or reacts

with water to form them.

A. B. C. D.

25% 25%25%25%

A. AcidB. BaseC. SaltD. Indicator

Measures the acidity or alkalinity of a solution

A. B. C. D.

25% 25%25%25%

A. Neutralization ReactionB. IndicatorC. pH D. Antacid

An acid and a base react to make a salt and water

A. B. C. D.

25% 25%25%25%

A. DisinfectantB. SoapC. Neutralization reactionD. Electrolyte

Neutral compounds formed when acids and bases react.

A. B. C. D.

25% 25%25%25%

A. AntacidsB. SaltsC. SoapsD. Disinfectants

Substances that can conduct electricity are called ____

A. B. C. D.

25% 25%25%25%

A. AcidsB. BasesC. ElectrolytesD. All of the above are

correct

Makes an upset stomach feel better because they neutralize stomach acid

A. B. C. D.

25% 25%25%25%

A. AntacidsB. SoapsC. DisinfectantsD. Bleach

Kills germs – pick the BEST answer

A. B. C. D.

25% 25%25%25%

A. DetergentB. DisinfectantC. BleachD. Soap

What two substances surround grease and oil (emulsify) to help water wash

them away?

A. B. C. D.

25% 25%25%25%

A. Bleach & disinfectantB. Soap & disinfectantC. Bleach & detergentD. Soap & detergent

If you spill an acid in class, what should you neutralize it with?

A. B. C. D.

25% 25%25%25%

A. WaterB. Baking sodaC. VinegarD. Drano

Why use detergents and not soaps when washing your clothes?

A. B. C. D.

25% 25%25%25%

A. It cleans betterB. It won’t react with the

water to make soap scumC. It is cheaperD. There is no difference

Know household acid and base and functions.

Be able to name an example of each:- strong acid- weak acid- neutral substance- weak base- strong base

Which was your favorite indicator and why?- blue & red litmus paper- hydrion paper- BTB- cabbage juice