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Acids, Bases and Salts — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts1 Mark
Question
Name the chemicals used in making fire extinguisher.
✓

Answer

Sodium bicarbonate and Sulphuric acid is used in acid fire extinguisher and the gas evolved from it is carbon-dioxide or.
Explanation:
In this type of reaction Sulphuric acid is present in a bottle like structure and the soda or sodium bicarbonate solution is in a metallic container which supports the Sulphuric acid container.
When the situation arises and the bottle becomes inverted and acid bottle breaks down and comes in contact with the soda solution then the reaction occurs.

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