Question

pls answer I need the questions are thedr in the photo pls answer if u are indian then pls answer
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Answer 1

Answer:

1) The individual components of the a mixture can be separated by physical methods . The mixture of common salt and chalk when dissolve in water as common salt is soluble in water and chalk is insoluble in water.

2) i) to remove any harmful substance.

ii) to get pure sample of substance

3) We should add ice after dissolving sugar. When the temperature is high the more suger can be dissolve. After mixing ice it gets cool and less sugar will be dissolve in it.

Explanation:

explanation for answer 3.

Solubility of sugar in water increases with increase in temperature. If Ice is added after adding sugar the temperature will be higher and for a saturated solution at higher temperature more amount of sugar will be dissolved.

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