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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