Question

Do You Know?
On an average, a litre of sea water has about 36 g of edible salt in it.
Crystallisation
This method is used to obtain pure solids from a given solution. For
example, the salt, we get from sea water, has many impurities in it.
To remove these impurities, the process of crystallisation is used.
Crystallisation is a process which separates a pure solid, in the form
of its crystals, from a saturated solution. The following activity explains
this process in detail.
tivity 3
ke 100 ml water in a beaker and prepare a saturated solution of sugar in it. For
s, keep on mixing sugar in water until it can dissolve no more of sugar. Transfer
dish. Heat the china dish on a wire gauge. Stir​

Answer 1

Answer:

Common salt obtained from sea water is an impure substance having many impurities. This common salt can thus be purified by crystallization.

Step-by-step explanation:

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