Question

Prachi added dil.HCl to a test tube containing zinc granules and noted the following observations:
i)The zinc surface became dull and black
ii)A gas evolved which burnt with a pop sound
iii)The solution remained cloudless
The observations found correct are:
(a) i and ii (b) ii and iii (c) i, ii and iii

Answer 1

Answer:

(b)1 and 2

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