Question

b. Based on the type of substances, the objects sink and float.
i. Name two objects each, that can sink and float.
ii. Mustard oil and grease, both are insoluble in water, but mustard oil floats and grease
settles down. Why?

Answer 1

Answer:

i. Sinking- Block of wood ,Iron nail

Floating- Ice cubes, Balloons

ii. Mustard Oil has lower density than water and so it floats on water whereas the density of grease is higher than water and so it settles down.

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