Question

One day a science teacher has given activity to the students by providing with a mixture of (a) sand and water, (b) tea leaves and water. Identify the separating techniques.

Answer 1

Answer:

mixture a is seperated by evaporating of water mixture b is separated by sieving process.

Answer 2

Answer:

We can separate salt, sand, oil, and water with the following method -

1. Decantation -

Oil floats on water (oil is insoluble in water), so it can be decanted easily.

2. Filtration-

Filter the mixture and sand will be separated from the water (as it is insoluble in water), and only salt solution will be left.

3. Evaporation-

The salt solution can be evaporated, by this, the salt will separate out.

Explanation:

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