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Write down the names of compounds represented by the following formulae:
(i) Al\( _2 \)(SO\( _4 \))\( _3 \)

(ii) CaCl\( _2 \)

(iii) K\( _2 \)SO\( _4 \)

(iv) KNO\( _3 \)

(v) CaCO\( _3 \)


Answer :

The names of the compounds are:

(i) Al\( _2 \)(SO\( _4 \))\( _3 \) \(\rightarrow \) Aluminium sulphate

(ii) CaCl\( _2 \) \(\rightarrow \) Calcium chloride

(iii) K\( _2 \)SO\( _4 \) \(\rightarrow \) Potassium sulphate

(iv) KNO\( _3 \) \(\rightarrow \) Potassium nitrate

(v) CaCO\( _3 \) \(\rightarrow \) Calcium carbonate

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