An aqueous solution turns red litmus blue. Excess addition of which of the following solution would reverse the change ?
CBSE Class 10 Science PYQ · Acids, Bases and Salts · Reactions of acids and bases (with metals, carbonates, metal oxides; neutralisation) · 1 Mark · March 2026 · Standard
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51 Mark · March 2026 · Standard
An aqueous solution turns red litmus blue. Excess addition of which of the following solution would reverse the change ?