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प्रश्न
An aqueous solution turns red litmus solution blue. Excess addition of which of the following solutions would reverse the change?
विकल्प
Baking powder
Lime
Ammonium hydroxide solution
Hydrochloric acid
उत्तर
Hydrochloric acid
Explanation -
The aqueous solution is of basic nature since red litmus changes to blue. The reaction can be reversed (acidic solution) by adding excess of hydrochloric acid.
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संबंधित प्रश्न
A solution turns red litmus blue, its pH is likely to be ______.
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monobasic acid
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State whether the following statements are true or false. Correct the false statements.
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Curd contains ______ acid.
