O-LevelChemistryMetals & Reactivity5070/11 · May/June 2020 · Q191 Mark

The oxide of element X reacts with acids to form salts. Which statement about element X or its oxide is correct?

AX conducts electricity.

BX is a non-metal.

CThe oxide is a gas at room temperature and pressure.

DThe oxide is covalent.

✓ Correct answer

A: X conducts electricity.

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2020 Paper 1 Variant 1, question 19.

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