Question

A student added dil HCI to a test tube containing Zinc granules and made following observations i) The zinc surface become dull and black. ii) The gas evolved is burnt with a pop sound. ii) The solution remain colourless. The correct observations are A) i and ii B) i and iii C) ii and iü D) i, ii and iii ​

Answer 1

Explanation:

option a is the answer

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Answer 2

Answer:

Zn+2HCl→ZnCl

2

+H

2

Zinc surface become dull and black due to formation of ZnCl

2

.

H

2

gas evolved which burnt with a pop sound.

Solution remained colourless.

All statements are correct.