Question

7. Write a short note on:
a. Soda-acid fire extinguisher
b. Candle flame​

Answer 1

Answer:

soda-acid type of fire extinguisher contains a solution of sodium hydrogen carbonate and sulphuric acid in separate containers inside them. ... This stops the process of burning and fire gets extinguished.

Explanation:

Candles produce light by releasing heat and all the turn on the candle produces come from a chemical reaction known as combustion in which wax reacts with oxygen in the air to produce carbon dioxide. The substances that vaporize while burning produces the flame

Answer 2

Short note on Soda acid fire extinguisher