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 Form 2 Chemistry Sample Revision Questions With Answers

Dilute sulphuric (VI) acid does not react fully with calcium carbonate while dilute hydrochloric acid reacts fully with calcium carbonate liberating carbon (IV) oxide.

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Answer Text:
Dilute sulphuric (vi) reacts to produce calcium sulphate which coats the carbonate preventing further reaction; with dilute hydrochloric acid calcium chloride formed is soluble this does not prevent further reaction;


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