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Acids, Bases And Salts Worksheet

Objective Type Questions

  1. Match the ‘Name of Acid/Base’ mentioned in column A with the items in which they are present given in column B ‘Found in’.

  2. State whether the following statements are true or false. In case of false statement, write the correct one.
    (i) Acids and bases can be identified by tasting it directly.
    (a) True
    (b) False

    (ii) Neutralisation reaction occurs by absorption of heat.
    (a) True
    (b) False

    Multiple Choice Questions

  3. Due to vitamin C deficiency, Jayesh’s doctor advised him to drink lemon juice without sugar in the morning. However, he didn't enjoy the normal taste of lemon juice without sugar. What taste must lemon juice have?

    (a) Sweet
    (b) Bitter
    (c) Sour
    (d) Tasteless

  4. Renu added phenolphthalein indicator to acetic acid solution. The colour of the solution will be:

    (a) Blue
    (b) Red
    (c) Colourless
    (d) Pink

  5. While brewing the tea, Arun accidentally substituted baking soda for the sugar. The taste of tea is:

    (a) Sour
    (b) Bitter
    (c) Sweet
    (d) Tasteless

  6. Sagar's mother made it mandatory for him to brush his teeth twice a day because he had a tendency of consuming a lot of chocolates. The nature of toothpaste used here, must be:

    (a) Acidic
    (b) Alkaline
    (c) Neutral
    (d) None of the above

  7. During her visit to a zoo, Sevanthi had an ant sting. From the options below, pick the best treatment for her.

    (a) Calamine solution
    (b) Lemon juice
    (c) Common salt
    (d) Sugar syrup

  8. Litmus is extracted from ____________.
    (a) Lichi
    (b) Lantana
    (c) Lichen
    (d) Lavender

  9. Name the acid present in DNA.
    (a) Deoxyribonucleic acid
    (b) Ribonucleic acid
    (c) Tartaric acid
    (d) Dichlorophenoxyacetic acid

  10. Distilled water was sent to chemistry laboratory to check its acidity/alkalinity. What should be its effect on litmus paper?  Select the correct option.

    Case Study Questions

  11. Acid rain is an indirect product of climate change. Only a small portion of the emissions that are required for the formation of acid rains are generated naturally and the majority of them are the result of human activities that involve burning fossil fuels.

    (a) Define acid rain.
    (b) What are the causes of acid rain?
    (c) Mention any two other hazardous effects of the same phenomenon.

    Subjective Questions

  12. Factories surrounding the Taj Mahal were either shut down or shifted elsewhere. What must have been the reason for it?

  13. Classify below objects as acids, bases and Neutral.
    Lemon, Antacids, Baking soda, Soap, Salt, Toothpaste, Curd, Oranges, Lime water.

  14. Write the name of compound present and the nature of it as acid/base/neutral.


    Name of the compound
















  15. Sunil was surprised to find that despite adequate rainfall and additional fertilisers, the crop quality from the previous year was poor. An analysis of the soil showed that it had become extremely acidic. How can acidity in the soil be decreased?

  16. Shiwani accidentally poured distilled water rather than hydrochloric acid to the beaker containing the acid. Will the nature of the solution alter? Comment.
  17. Rashmi’s mother warned her not to put her clothing dyed with turmeric in soap water for washing.  Give the reason for the same.
  18. Differentiate between acids and bases.

    Assertion Reasoning Questions

    Below questions consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:

  19. Assertion (A): The reaction between an acid and a base is termed as neutralisation reaction.
    Reason (R): The neutralisation reaction produces salt and water.

  20. Assertion (A): An acid turns blue litmus red and a base turns red litmus blue.
    Reason(R): The substance which is neither acid nor base is termed as neutral.

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