MCQ Collection
malaysia-spm-chemistry MCQs
Practice malaysia-spm-chemistry questions with answers and explanations.
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Correct Answer: A. share electrons
Explanation:
Covalent bonds involve sharing electrons.
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Correct Answer: C. less than 7
Explanation:
Acids have pH less than 7.
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Correct Answer: C. Rusting iron
Explanation:
Rusting forms a new substance, so it is a chemical change.
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Correct Answer: C. Na
Explanation:
Sodium uses the symbol Na.
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Correct Answer: B. conservation of mass
Explanation:
Mass is conserved in chemical reactions.
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Correct Answer: C. Electron
Explanation:
Electrons carry negative charge.
