Acids Used in Everyday Life MCQs with Answers

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The pH of a neutral solution at 25°C is 7.

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The soapy or slippery touch property of substances is characteristic of bases.

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Corrosive effect on skin is caused by both acids and bases, as both are capable of causing chemical burns upon contact.

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Red litmus paper turns blue when dipped in a basic (alkaline) solution.

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The pH of pure water is 7, which is considered neutral on the pH scale.

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Litmus paper is the most useful indicator for testing whether a substance is an acid or a base, as it turns red in acidic solutions and blue in basic solutions.

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Sour-tasting fruits like mango, lemon, raw grapes, and oranges contain citric acid, which gives them their characteristic tangy flavor.

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Formic acid is obtained from ants.

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The pH of lemon juice is less than 7, which means it is acidic in nature.