Question

1. Name two substances which are responsible for ozone layer depletion.

2. Liquid HCl is a good conductor of electricity – true or false?

3. Name one non periodic property?

4. Which has higher number of molecules – 2g of hydrogen or 16g of oxygen?

5. BeCl2 is ionic or covalent?​

Answer 1

Answer:

1. carbon tetrachloride, chloflurocarbons
2. False
3. Electronegativity
4. 2g of hydrogen
5. Covalent bond

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