Question

HI mates

1.Candle is a solid yet it produces flame. Explain

2.A candle produces a yellow flame whereas a gas burner produces blue flame. What can be the reason behind it?

Plz answer it's urgent​

Answer 1

Answer:

1. when we give temperature to candle it starts melting through which it produces flame

2.as it not gives much heat it does not produces blue flame

Answer 2

Answer:

Complete combustion gives blue flame and incomplete combustion gives yellow flame

Explanation:

Combustion-rapid chemical combination of a substance with oxygen,involving the process of heat and light

Therefore when there is blue flame there is sufficient supply of oxygen whereas when there is yellow flame there is insufficient supply of oxygen