Methods of Separation

Outline the steps in proper sequence for separating a mixture of soil, seeds and water.

Draw a labelled diagram of the set-up used for filtration. Explain the process.

What is sedimentation? How is the supernatant liquid separated?

What are the most common methods of separating solid substances? Give one example for each.

Suggest suitable methods to separate the following: muddy water.

Suggest suitable methods to separate the following: chalk powder and iron powder.

Suggest suitable methods to separate the following: flour and tiny stones. 

Suggest suitable methods to separate the following: husk and wheat. 

Suggest suitable methods to separate the following: rice and suji (semolina).

What will be the 'filtrate' and 'residue' when muddy water is filtered?

Why is hand-picking preferred for separating fruits from a heap of groceries?

Decantation is very effective to separate fine sand and water.

When a mixture of saw dust and broken chalk pieces on a plate is taken near a fan, pieces of chalk more away from the saw dust.

When using a sieve in a construction site, the fine sand stays on it while the stones fall through.

To separate iron pieces, sand and water, the order of steps must be

Which of the following mixtures would you be able to separate using the method of filtration?

A mixture of rice husk and pebbles can be separated by

The method used to separate seeds from lemon juice will be

How can we separate grains and iron?

Arrange the suitable steps in a correct sequence for the manufacture of sodium chloride from sea water. 

($1$) Making of a hot saturated solution

($2$) Evaporation 

($3$) Recrystallisation

($4$) Collection of sea water

($5$) Addition of a small quantity of sodium iodide or potassium iodide