Question

2. An element combines with oxygen to form an oxide. This oxide dissolves in water. This
aqueous solution changes blue litmus to red. Write:
(a) the nature of the aqueous solution (alkaline or acidic).
(b) the nature of the element (metal or non-metal).​

Answer 1

Answer:

2.(a)Acidic

Explanation:

2.(a) It changes blue litmus to red which denotes it is Acidic.

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Answer 2

Answer:

a)Acidic

b)non-metal

Explanation:

a)Since this  aqueous solution changes blue litmus to red it is acidic in nature.

b)Non metallic oxides are acidic in nature.