Chemistry
Grade-10
Easy
Question
In the soda-acid fire extinguisher, the sulfuric acid and sodium bicarbonate are allowed to react with each other to give the products
- Na2SO4 and CO2
- Na2SO4 and O2
- NaHSO4 and O2
- Na2SO4 and CO2 and H2O
Hint:
The products are sodium sulphate, carbon dioxide, water.
The correct answer is: Na2SO4 and CO2 and H2O
- Sodium bicarbonate and sulphuric acid are used in soda-acid fire extinguishers.
- It is the most effective fire extinguisher for home usage.
- In the soda-acid fire extinguisher, the sulfuric acid and sodium bicarbonate are allowed to react with each other to give the products Na2SO4, CO2, H2O.
2NaHCO3 + H2SO4 
Na2SO4 + 2CO2 + 2H2O
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