(8) Brijesh wants to buy a pencil of *2. He gives a 1 coin one
half-rupee coin and one quarter-Tupee coin to the shopkeeper. Is
this amount enough for Brijesh to buy the pencil?
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The process of deriving large crystals of pure substances from their solutions is known as crystallisation. It is a physical change. Crystals of salt are obtained by the evaporation of sea water. ... This mixture when filtered and allowed to cool produces crystals of copper sulphate.
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