Q4 of 56 Page 85

Name two non-metals which are lustrous.

Iodine and carbon are non-metals which are lustrous. Note that carbon is lustrous only in certain forms like diamond, and graphite.


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2

Why metals can act as reducing agents while non-metal cannot?

 3

What type of oxides are formed by:

(a) Metals


(b) Non-metals?

 5

Name two metals:

(a) which have very low melting points,


(b) which are so soft that they can be cut with a knife.

 6

Name two metals:

(a) which are best conductors of heat,


(b) which are comparatively poor conductors of heat.