Uses of acids — task. Science State Board, Class 9.

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Choose the correct answer based on the uses of the given acids:

1. Carboxy acid

Malic acid
Nitrous acid
Carbonic acid
Nitric acid

2. Dyes

\(HCl\)
\(HNO_2\)
\(HNO_3\)
\(H_2SO_4\)

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