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Acids Bases and Salts Test - 1

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Acids Bases and Salts Test - 1
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Sour things contain

    Solution

    Explanation:

    Sour things contain acids. All organic acids obtained from plants and animals are sour in taste. Mineral acids should not be tasted.

     

  • Question 2
    1 / -0

    Which of the following is a strong Base?

    Solution

    Explanation:

    Strong bases are bases which completely dissociate in water into the cation and OH- (hydroxide ion). The hydroxides of the Group I and Group II metals usually are considered to be strong basses. Sodium hydroxide is a strong base and highly corrosive in nature.

     

  • Question 3
    1 / -0

    Sodium chloride turns

    Solution

    Explanation:

    Sodium chloride is a salt that do not brings any change to litmus paper or other indicator.

     

  • Question 4
    1 / -0

    Sodium hydroxide is found in

    Solution

    Explanation:

    Sodium hydroxide is found in soap. Sodium hydroxide (NaOH) is a strong base.

     

  • Question 5
    1 / -0

    Which one of the following metal does not release hydrogen gas with acids?

    Solution

    Explanation:

    Copper is lower than hydrogen in the reactivity series so it is less reactive and even does not react with acids to displace hydrogen .The metals above in the hydrogen in the activity seriesreact with acids to liberate hydrogen.Copper fall below hydrogen in the series hence does not liberate hydrogen.

     

  • Question 6
    1 / -0

    What is the common name of sodium carbonate?

    Solution

    Explanation:

    The common name of sodium carbonate is Caustic soda or washing soda. Caustic soda is used in preparation of soap and detergent. Its chemical formula is Na2CO3.

    It commonly occurs as a crystlline decahdrydate which readily effloresces to form white powder.

     

  • Question 7
    1 / -0

    Reaction between acids and base to form salt and water is called

    Solution

    Explanation:

    The reaction between acids and base to form salt, is called as a  neutralization reaction.Water is also formed along with salt. The neutalization of a strong acid and strong  base has a pH value equal to 7

     

  • Question 8
    1 / -0

    All acids contain

    Solution

    Explanation:

    All acids contain hydrogen in common. When acid is mixed in water, hydrogen ions will produce.

     

  • Question 9
    1 / -0

    In case of indigestion, we use

    Solution

    Explanation:

    In case of indigestion, we use antacids. Antacids containing bases reacts with acids present in stomach to neutralise them.

     

  • Question 10
    1 / -0

    Lactic acid is found in

    Solution

    Explanation:

    Lactic acid is found in curd. Lactobacillus bacteria are found in curd that produce lactic acid.

     

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