What will be the action of the following substances on litmus paper? Dry HCl gas, Moistened NH₃ gas, Lemon juice, Carbonated soft drink, Curd, Soap solution.
Model Answer & Options
Source: ExemplarDry HCl gas: Turns blue litmus red Moistened NH₃ gas: Turns red litmus blue Lemon juice: Turns blue litmus red Carbonated soft drink: Turns blue litmus red Curd: Turns blue litmus red Soap solution: Turns red litmus blue
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