Question

8. Which one is not a use of nitric acid?
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Answer 1

Answer:

Nitric acid HNO is generally not used for preparation of original solution in analysis of basic radicals, because it is an oxidising agent which will convert all low oxidation cations into higher one and these cations can not be recognised in presence of this acid.

Explanation:

Answer 2

The main uses of Nitric Acid (HNO3) are:

• It is a raw material for the production of nitrates which are further used for manufacturing of dyes and fertilizers.
• It is used as a fuel propellant/ oxidizer in the aerospace industry.
• After mixing with HCl (hydrochloric acid), it forms a mixture called aqua regia, which is capable of dissolving unreactive metals like platinum and gold.
• Nitric acid is also used in the explosive industry, for production of TNT.
• It is a popularly used laboratory reagent in schools, specifically for testing of chloride.