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Q7 A)How do metals react with acids? Explain with an example?B) Write uses of non-metals (any three). (2+3=5M)​

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Explanation:

Q. 1. How do metals react with acids? Explain with an example?

Q. 2. Write uses of non-metals (any three) ?

Ans :- 1. When a metal REACTS with an acid, it GENERALLY displaces hydrogen from the acids. This leads to the EVOLUTION of hydrogen gas. The metals combine with remaining part of acids to form a salt. For example REACTION of sulphuric acid with zinc.

2. Ans :-

1.Oxygen is used for breathing.

2. Chlorine is used for PURIFYING water.

3. Phosphorous is used in crackers.

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