Practice test

Acids, bases and salts - Test Set 4

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Sulphuric acid is:
    1. Monobasic
    2. Dibasic
    3. Tribasic
    4. Tetrabasic
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  2. Question 2

    Chemical name of "Hypo" (photography):
    1. Sodium thiosulphate
    2. Silver nitrate
    3. Sodium nitrate
    4. Silver iodide
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  3. Question 3

    'Muriatic Acid' is:
    1. HCl
    2. H₂SO₄
    3. H₂CO₃
    4. HNO₃
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  4. Question 4

    pH of lemon juice:
    1. =7
    2. Unpredictable
    3. <7
    4. >7
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  5. Question 5

    Chhattisgarh (Pre) 2017
    Which acid is present in acid rain?
    1. Benzoic acid
    2. Acetic acid
    3. Nitric acid
    4. Oxalic acid
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  6. Question 6

    NDA 2018
    Which one of the following gives the highest amount of hydrogen ions (H⁺)?
    1. Sodium hydroxide solution
    2. Milk of magnesia
    3. Lemon juice
    4. Gastric juice
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  7. Question 7

    NDA 2019
    Which one of the following will not produce carbon dioxide on reacting with an aqueous solution of hydrochloric acid?
    1. Limestone
    2. Quicklime
    3. Chalk
    4. Marble
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  8. Question 8

    NDA 2020
    Which one of the following was the First mineral acid discovered?
    1. Sulphuric acid
    2. Hydrochloric acid
    3. Nitric acid
    4. Phosphoric acid
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  9. Question 9

    Asst. Comm. 2019
    Which one of the following does not contain COOH group?
    1. Citric acid
    2. Lactic acid
    3. Tartaric acid
    4. Ascorbic acid
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  10. Question 10

    SSC 2019
    Which of the following is the major component of vinegar?
    1. Citric acid
    2. Lactic acid
    3. Nitric acid
    4. Acetic acid
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  11. Question 11

    SSC 2019
    What is the chemical name of the deadly poison ‘cyanide’?
    1. Sulphuric acid
    2. Hydrochloric acid
    3. Nitric acid
    4. Prussic acid
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  12. Question 12

    SSC CGL 2020
    When we cut an onion, the synthase enzyme converts the amino acid sulfoxide of the onion into which acid?
    1. Citric acid
    2. Nitric acid
    3. Sulphuric acid
    4. Sulfenic acid
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  13. Question 13

    NDA/NA 2013
    Vinegar is today mainly used in the kitchen as a general cooking ingredient. It is the most easily available in mild acid. It is made by fermentation of cane sugar juice. It contains
    1. palmitic acid
    2. lactic acid
    3. citric acid
    4. acetic acid
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  14. Question 14

    On the labels of the bottles, some soft drinks are claimed to be acidity regulators. They regulate acidity using
    1. carbon dioxide
    2. bicarbonate salts
    3. Both (a) and (b)
    4. carbon dioxide and lime
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  15. Question 15

    SSC Multitasking 2014
    Vitamin C is also known as
    1. amino acid
    2. ascorbic acid
    3. acetic acid
    4. azelac acid
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  16. Question 16

    SSC Multitasking 2014
    Citric acid is present in free form in
    1. tamarind
    2. milk
    3. apple
    4. lemon
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  17. Question 17

    RRB 2018
    A bee-sting leaves an acid which causes pain and irritation. The injected acid is
    1. acetic acid
    2. sulphuric acid
    3. citric acid
    4. methanoic acid
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  18. Question 18

    SSC 2014
    Rectified spirit is
    1. methylated spirit
    2. tincture iodine
    3. 95% ethyl alcohol
    4. 100% ethyl alcohol
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  19. Question 19

    SSC 2017
    Which among the following acids is used in lead storage batteries?
    1. Acetic acid
    2. Hydrochloric acid
    3. Sulphuric acid
    4. Nitric acid
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  20. Question 20

    UPPCS (Mains) 2014
    Goldsmiths uses aqua-regia, which is prepared by mixing
    1. nitric acid and sulphuric acid
    2. nitric acid and hydrochloric acid
    3. sulphuric acid and hydrochloric acid
    4. citric acid and benzoic acid
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