O-LevelChemistryBonding & Structure5070/11 · May/June 2022 · Q91 Mark

A piece of magnesium reacts with dilute hydrochloric acid. The resulting solution is then evaporated leaving a solid residue of magnesium chloride. Which statement is correct?

Acovalent solid is formed in this process.

BEach chlorine atom gains one electron in this process.

CEach magnesium atom loses only one electron in this process.

DMolecules of an element are formed during the reaction.

✓ Correct answer

D: Molecules of an element are formed during the reaction.

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2022 Paper 1 Variant 1, question 9.

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