Chemistry 0620 · IGCSE · Rate of reaction

Rate of reaction — practice question

(a(i))[1]

Fill in Table 6.1 by entering the sizes of the calcium carbonate pieces in the first column.

(a(ii))[1]

Describe the effect on the time taken for small pieces of calcium carbonate to finish reacting with dilute hydrochloric acid when the temperature is raised.

(a(iii))[1]

Describe the effect on the time taken for small pieces of calcium carbonate to finish reacting with dilute hydrochloric acid when the concentration of hydrochloric acid is reduced.

(b)[1]

Name the method used to separate the unreacted calcium carbonate from the remainder of the reaction mixture.

(c)[1]

Choose another compound that is insoluble in water.

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