Chemistry 0620 · IGCSE · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

Limestone rock is composed mainly of calcium carbonate, CaCO$_3$.
(a(i))[2]

Fill in the box with the chemical name and formula of lime.

(a(ii))[1]

Which step is a physical change?

(a(iii))[1]

What type of reaction is step 1?

(a(iv))[1]

Suggest how step 2 could be reversed.

(a(v))[1]

Write out a chemical equation for step 4.

(a(vi))[2]

Explain why step 4 is a neutralisation reaction. You should refer to the substances involved in your answer.

(b)[2]

Write a chemical equation for the reaction of magnesium carbonate with dilute nitric acid.

(c)[2]

Calculate the empirical formula for forsterite.

Worked solution & mark scheme

This 12-mark question has a full step-by-step worked solution and mark scheme. One marking point: calcium oxide

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