C.State whether true or false.
5 1.Heat can from one substance to another, hence heat is matter.
6 2. you transfer gas from a container to a bigger containerits volume will increase.
7 3. All metals corrode when exposed to air.
8 Plastics are long-lasting as they are non-blodegradable.
9 5.To store chemicals in the laboratory we use metal containers
10 6.We can identify a pure substance by measuring its density,
11 7 Gold jewellery made of pure gold is considered to be the best.
12 8. Diamond can scratch iron.
13 9. The more easily a substance can be bent, the more mexible itis
14 10 Iron is more difficult to melt than aluminium.