Question

solve these❌❌NO SPAM❌❌​

Answer 1

Explanation:

1)Complete combustion take place in the presence of air :- True

2) Substances take catch fire easily in the presence of the oxygen are known as flammable substances :- True

3)The flame of a Bunsen burner is blue when the air hole clogged,and it does not get sufficient supply of oxygen :-

False because it will be completely combustion.

4) Substances at which a substance catches fire and starts burning is called as ignition temperature :-

5)LPG is a liquid fuel :- False because LPG is a gaseous substance.

6)Carbon monoxide has lesser affinity to haemoglobin than oxygen :- False because Carbon monoxide has greater affinity to haemoglobin than oxygen.

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Answer 2

Answer:

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