Chemistry · May / June 2023 · Paper 12 · Question 21
5070The characteristic properties of acids and bases
Compound X is a gas at room temperature. X dissolves in water to give a solution with a pH of 4. Which statement about compound X is correct?
- AAn aqueous solution of X will not conduct electricity.
- BAtoms of a metallic element are present in X.
- CAtoms of hydrogen are present in X.
- DX is ionically bonded.
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Correct answer: C. Atoms of hydrogen are present in X.
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