MCQ Class 7 Science Chapter 4 Acids, Bases and Salts

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MCQ’s For All Chapters – Science Class 7th

1. Out of these gases which one is used in fire extinguishers

Question 1 of 10

2. The correct way of making a solution of acid in water is to

Question 2 of 10

3. Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would be observed.

Question 3 of 10

4. Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are:

Question 4 of 10

5. When the soil is too basic, plants do not grow well in it. To improve its quality what must be added to the soil?

Question 5 of 10

6. Which of the following set of substances contain acids?

Question 6 of 10

7. On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?

Question 7 of 10

8. Which of the following is an acid-base indicator?

Question 8 of 10

9. Which of the following is not a indicator?

Question 9 of 10

10. The reaction in which an acid react with a base to form salt and water is called as

Question 10 of 10

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Comments

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    July 30, 2024 at 3:48 pm

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    February 24, 2024 at 3:47 pm

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