Question

which reaction is used in soda acid fire extinguisher (a) na2co3 decomposition (b) nahco3 + hydrogen ion— sodium salt of acid+co2+h2o(c) both a and b (d) none of the above​

Answer 1

Answer:

A

Explanation:

Fire extinguisher contains sodium bicarbonate in water and sulphuric acid in a separate container inside it. When the fire extinguisher is released by pressing the knob on it, the sulphuric acid mixed with sodium bicarbonate solution producing a lot of carbon dioxide gas.

2NaHCO3+H2SO4→Na2SO4+2H2O+2CO2 

Carbon dioxide gas is neither combustible nor helps in combustion. It is heavier than air and offs the supply of oxygen from air and hence removes the fire. So, sodium bicarbonate is used in fire extinguishers. So the given statement is true.

Hence option A is correct

Answer 2

The reaction used in a soda acid fire extinguisher is (b) nahco3 + hydrogen ion— sodium salt of acid+CO2+H2O

• The sodium bicarbonate and sulphuric acid in a soda-acid fire extinguisher are kept in separate containers. When the fire extinguisher's knob is squeezed, sulphuric acid reacts with sodium bicarbonate to produce a large amount of CO2, which aids in the fire's extinguishment.
• Specialist dry powder, standard dry powder, foam, water spray, water mist, water spray, wet chemical, and carbon dioxide are the eight different types of fire extinguishers.