Question

four solution a b c and d turn pH paper red yellow green and blue respectively which of the following is the aqua solution of sodium oxide.

1) A
2)B
3)C
4)D

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Answer 1

Answer:

answer 8s a hope it helps you

Answer 2

Solution D is an aqueous solution of sodium oxide.

Explanation:

An aqueous solution of sodium oxide is alkaline. pH paper turns blue when it comes in contact with alkaline solutions.

The following color changes are observed with pH paper in different types of solutions-

Red- strongly acidic; yellow- weakly acidic; green- neutral.