Exam-style practice

Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations MCQ drill

Practise quick multiple-choice drill questions for Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations. Aligned to AQA Gcse Chemistry.

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MCQ Drill

Question 161 of 202

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When magnesium metal is burned in air, the mass of the solid product (magnesium oxide) is greater than the initial mass of the magnesium. Why does this apparent increase in mass occur?

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