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Acids and Bases Quiz for Class 10 Chemistry

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Has a pH greater than 7

Tastes bitter

Reacts with metals to produce hydrogen gas (correct)

Turns red litmus paper blue

Has a pH less than 7

Tastes sour

Reacts with carbonates to produce carbon dioxide gas (correct)

Turns blue litmus paper red

Bleach (sodium hypochlorite)

Pure water (H2O) (correct)

Lemon juice (citric acid)

Vinegar (acetic acid)