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CHAPTER 8 (CHEMICALS IN INDUSTRY)
SPM 2005
SPM 2006
SPM 2007
SPM 2008
ANSWER FOR OBJECTIVE QUESTIONS2005
200620072008
22
B22C23D20B
23
B23D24D21C
22C
The mass of metal blocks
Dent P is deeper than dent Q
Metal block P produces more pressure than metal block Q
Deeper than P / more than ..cm
Copper
Tin
Alloying
Harder / does not rust
Prevent the atoms layer from sliding
Ductile / malleable
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