Available Answers

1. 1.

   Iron is used in construction of bridge. Give reasons.

2. 2.

   No gas is released when sulphur is added to dilute HCL. Give reasons.

3. 3.

   What is the nature of a non-metal oxide?

4. 4.

   Name a non-metal used for vulcanization of rubber.

5. 5.

   Differentiate between metal oxide and non-metal oxides.

6. 6.

   What is meant by reactivity series of metals? Give an example.