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Acids, Bases And Salts Test - 5

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Acids, Bases And Salts Test - 5
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following will conduct electricity when dissolved in water?
  • Question 2
    1 / -0
    The process of breaking of a solid ionic compound into its constituent ions is called ______.
  • Question 3
    1 / -0
    For a substance to behave as an electrolyte, it should produce which of the following species when dissolved in water?
  • Question 4
    1 / -0
    Which of the following will dissociate completely to give ions in a dilute solution?
  • Question 5
    1 / -0
    Which of the following is not a good conductor of electricity?
    Solution
    Water solutions of acetic acid (CH3COOH) weakly conduct electrical current, indicating that it is a poor conductor of electricity. Rest all are strong electrolytes, thus are good conductors of electricity.
  • Question 6
    1 / -0
    Which of the following is the strongest base?
    Solution
    Sodium hydroxide is the strongest base because Na has larger size as compared to magnesium and calcium, and the lowest ionisation energy. Thus, it will lose its electron easily to give OH- ions.
  • Question 7
    1 / -0
    The degree of dissociation of electrolyte increases with increase in ______.
  • Question 8
    1 / -0
    Which of the following is the most acidic?
    Solution
    Soft drink contains large amount of carbonic acid.
  • Question 9
    1 / -0
    Which of the following is the most basic?
  • Question 10
    1 / -0
    Which of the following is not true for nitric acid?
  • Question 11
    1 / -0
    An acidic solution contains a high concentration of ______.
    Solution

    In an acidic solution, the concentration of hydrogen ions is greater than the concentration of hydroxide ions.
    So, option 1 is correct.

  • Question 12
    1 / -0
    Which of the following acts as a proton acceptor?
  • Question 13
    1 / -0
    Which of the following acts as a hydroxide ion donor?
  • Question 14
    1 / -0
    KOH can be classified as ______.
  • Question 15
    1 / -0
    Arrhenius bases are ______.
  • Question 16
    1 / -0
    According to the Arrhenius theory of acids and bases, CH3COOH is an acid. Hence, it is a/an
    Solution
    Correct Answer: H+ ion donor
    According to the Arrhenius theory of acids and bases, an acid is a substance that furnishes H+ ions in its aqueous solution. Hence, acetic acid (CH3COOH) is a proton (H+ ion) donor.

  • Question 17
    1 / -0
    Which of the following statements is correct about electrolytes?
  • Question 18
    1 / -0
    The acidity of soil can be controlled by the addition of ______.
  • Question 19
    1 / -0
    An indicator which contains a mixture of alcoholic solution of various indicators is an example of ______.
  • Question 20
    1 / -0
    Which of the following colours is indicated by Phenolphthalein indicator?
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