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:

{\Zn}_{( {\ s})}+ {\H}_2 {\SO}_{4(l)} → {\ZnSO}_{4( {\X})}+ {\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.

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

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