classify the following things as soluble or insoluble : (I) common salt (ii) fine sand (iii) talcum powder (iv) sugar (v) copper sulphate (vi) chalk (vii) washing soda (viii) iron fillings.
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Answer:
Soluble:
common salt, sugar, copper sulphate, washing soda
Insoluble:
fine sand, talcum poder, chalk, iron fillings.
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