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O-LevelChemistryAcids, Bases & Salts5070/11 · Oct/Nov 2012 · Q291 Mark

What is the function of silica, SiO2, in the equation shown below? CaO + SiO2 → CaSiO3

Abasic oxide

Breducing agent

Can acidic oxide

Dan oxidising agent

✓ Correct answer

C: an acidic oxide

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About this question

Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2012 Paper 1 Variant 1, question 29.

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