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Class 9 Chemistry · Chapter 7 · Test 4

Acids and Their Reactions

25 MCQs covering the characteristic properties of acids and their reactions with indicators metals metal oxides carbonates and hydrogen carbonates.

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

  1. Question 1

    What is the taste commonly associated with acids?

    • ASweet
    • BBitter
    • CSour
    • DSalty
    Show answer

    Answer: C

    Acids characteristically have a sour taste.

  2. Question 2

    What colour does blue litmus turn in an acidic solution?

    • ABlue
    • BGreen
    • CRed
    • DYellow
    Show answer

    Answer: C

    Acids turn blue litmus red.

  3. Question 3

    Which of the following is a common mineral acid?

    • AEthanoic acid
    • BCitric acid
    • CHydrochloric acid
    • DLactic acid
    Show answer

    Answer: C

    Hydrochloric acid is one of the common mineral acids.

  4. Question 4

    Which acid is commonly present in vinegar?

    • ACitric acid
    • BEthanoic acid
    • CTartaric acid
    • DFormic acid
    Show answer

    Answer: B

    Vinegar contains ethanoic acid.

  5. Question 5

    Which acid is commonly associated with lemon and orange?

    • ALactic acid
    • BCitric acid
    • CFormic acid
    • DOxalic acid
    Show answer

    Answer: B

    Citric acid is found in citrus fruits such as lemons and oranges.

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