(a) What are the various ways in which a...

(a) What are the various ways in which a chemical equation can be made more informative ? Give examples to illustrate your answer.
(b) Write balanced chemical equation from the following information :
An aqueous calcium hydroxide solution (lime water) reacts with carbon dioxide gas to produce a solid calcium carbonate precipitate and water.

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The correct Answer is:

`(b)Ca(OH)_(2)(aq)+CO_(2)(g)toCaCO_(3)(s)+H_(2)O(l)`

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