Question

Q. Which of the following statements are true, and which are false?
7. If Zinc pieces are added to blue copper sulphate solution, it becomes
colourless after sometime.
8. When barium chloride and sodium sulphate solutions are mixed, new
products are formed but the solution remains colourless.
9. On passing CO2 gas through limewater for a long time, the limewater turns
milky.
10. Aluminium is highly resistant to corrosion.

Answer 1

Explanation:

7.

8.

9. true

10. true

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