Question

Rewrite the following by inserting appropriate word / words:
(i). The mixture of sand and water can be separated by filtration.
(ii). Alum helps in settling down of fine solid particles faster.
(iii). Tap water contains some dissolved impurities.
(iv). Air is present everywhere.
(v). Stirring and heating help in the faster dissolving of substances in water.
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Answer 1

Hi,here your answer.

1.By the method of filtration,the mixture of sand and water will be seperated.

2.Fine solid particles are settling down due to the help of Alum.

3.Disolved impurities are contained by tap water.

4.Everywhere the air is present.

5.The faster disolving of substances in water are stirring and heating.

Hope this helps.Thank you.Bye.