Question

do any one Answer the following questions:
1. Give one example of liquid metal.
2. Name a soft but solid metal.
3. When metals react with oxygen, they form __________.
4. Name the non metal which is also the hardest substance known.
5. Why sodium is always preserved inside kerosene or paraffin?
6. Name any one non-metal which is good conductor of electricity.
7. Which metalloid can be considered as the backbone of electronics
industry?
8. Name the gas produced when, metals react with acids.
9. Which element is more reactive in the following reaction?
Iron + Copper Sulphate Iron Sulphate + Copper
10. What are fossil fuels?
11. What is the full form of CNG.
12. Name the best variety of coal.

Answer 1

Answer:

11 comprased natural gas

Answer 2

Answer:

1. mercury

2.sodium

3.oxide

4.diamond

Explanation: