Which of the following is soluble in water?
1-glycerin
2-sand
3-iron filing
4-oil​

1-glycerin

Explanation:

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glycerin

Explanation:

Glycerol is easily soluble in water, because the ability of the polyol groups to form hydrogen bonds with water molecules.

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne