CBSE Class 10 Science 2023 Outside Delhi Set 2

Question : 1 of 12

Marks: +1, -0

To balance the following chemical equation the value of

x

and

y

should respectively be:

2 {\NaOH}+x {\Al}_2 {\O}_3 → y {\NaAlO}_2+ {\H}_2 {\O}

Solution:

The balance chemical equation is:

{\Al}_2 {\O}_3+2 {\NaOH} → 2 {\NaAlO}_2+ {\H}_2 {\O}

Thus the value of

x

and

y

will be 1 and 2 respectively.

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