Question

GIVE ONE WORD FOR THEN FOLLOWING. [10]

1. Harmful rays –

2. Full form of CFCs-

3. Full form of CNG-

4. Fossil fuel-

5. Dry ice-

6. Nobel gas –

7. The process of adding chlorine –

8. The liquid that passes through the filter paper-

9. Waterborne disease-

10. Percentage of water in human body​

Answer 1

Answer:

Harmful rays - Uv rays

CFC- Chlorofluorocarbons

CNG- Compressed natural gas

Fossil fuels- coal petroleum etc

Dry ice- Solid form of carbon-dioxide

Noble gas- hellium ,argon ,Krypton etc

process of adding chlorine- Chlorination

liquid that passes through filter paper- Filtrate

waterborne disease- diarrhoea, dysentery, polio

%of water in humans- 70%

hope it was helpful