Acid, Base and Salt

Subject matter experts of JagranJosh have developed chapter wise practice questions as per the relevancy of the chapter in the CBSE board exam. This practice set contains 10 questions with detailed explanations on “Chapter: Acid, Base and Salt” of Science.

  • Q1.Dilute acid does not produce carbon dioxide on being treated with:

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  • Q2.The sample of soil from a particular place was tested for its pH value. It came out to be 5. Which one of the following should be added to the soil to make it suitable for the plant growth?
    i. Calcium chloride
    ii. Calcium Hydroxide
    iii. Calcium oxide
    Choose the correct option:

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  • Q3.Identify the products of the following reaction:
    CaCO 3 +2HCl..................

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  • Q4.An ant’s sting can be treated with …………which will neutralise the effect of the chemical injected by the ant’s sting into our skin.
    Choose the correct option from the following to be filled in the blank space:

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  • Q5.A student was asked to check the pH of two different solutions: A and B which came out to be 6 and 8 respectively. Choose the correct statement among the following for A and B:

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  • Q6.Baking powder which is a mixture of sodium hydrogencarbonate and tartric acid, is used to bake the cakes. The ………. gas produced during the reaction between Sodium hydrogencarbonate and tartric acid in the presence of water, gets trapped in between the pores of cake, making it soft and spongy.
    Choose the correct option from the following to be filled in the blank space:

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  • Q7.Bleaching powder is used as a disinfectant for water to:

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