Question

1. A colourless gas with a pungent odour highly
soluble in water.
2. A coloured poisonous gas.
3. A gas lighter than air and highly soluble in water.
4. The lightest gas known.
5. A reddish brown coloured gas.
6. Two different colourless, odourless gases, almost
as heavy as air
7. A colourless gas, fairly soluble in water.
8. A poisonous gas, almost as heavy as air.
9. A colourless gas, with a pungent odour, & heavier than air.
10. Three gases highly soluble in water.​

Answer 1

Answer:

1.

2. Chlorine

3. Hydrogen

4. hydrogen

5. NO2

6. oxygen and nitrogen

7. oxygen

8. CO

9. h2s

10. NH3, CO2, SO3

Answer 2

Answer:

1 ammonia

2 chlorine

3 ammonia

4 hydrogen

5 nitrogen dioxide

6 oxygen nitrogen

7 sulpher dioxide

8 carbon monoxide

9 sulphur dioxide and ammonia

10 hydrogen chloride, ammonia, sulphur dioxide