Select the appropriate state symbols of the ...

CBSE Class 10 Science 2023 Outside Delhi Set 1

Question : 3 of 39

Marks: +1, -0

Select the appropriate state symbols of the products given as

X

and

Y

in the following chemical equation by choosing the correct option from table given below:

\mathrm{Zn}_{(\mathrm{s})} + \mathrm{H}_2\mathrm{SO}_{4(\mathrm{l})} \rightarrow \mathrm{ZnSO}_{4(X)} + \mathrm{H}_{2(n)}

	X	Y
a	(s)	(l)
b	(aq)	(g)
c	(aq)	(s)
d	(g)	(aq)

Solution:

Metals react with acids to give salt and hydrogen gas. Thus, when zinc reacts with sulphuric acid, it forms zinc sulphate with the liberation of hydrogen gas.

\mathrm{Zn}(\mathrm{s}) + \mathrm{H}_2\mathrm{SO}_4(\mathrm{aq}) \rightarrow \mathrm{ZnSO}_4(\mathrm{aq}) + \mathrm{H}_2(\mathrm{g})

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