Question

Take a Break!
Answer in one word.
1. A colourless gas that constitutes about 0.04% of air by volume
2. The scientist who discovered carbon dioxide gas
3. A mixture of 5% carbon and 95% oxygen
4. An oxide of carbon which is a highly poisonous gas
5. A compound formed when carbon monoxide combines with
haemoglobin present in the blood​

Answer 1

1 - CO2

2 - John Tyndall

3- Carbogen

4- CO

5- Carboxy-haemoglobin

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Answer 2

1 carbon dioxide

2 Joseph black

3 Carbogen

4 Carbon monoxide

5 carboxyhemoglobin