Strain

IMPORTANT

Strain: Overview

This topic explains concepts such as Filtration, Filter Paper, Strainer, Applications of Filtration, etc.

Important Questions on Strain

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Is the filtered water suitable for drinking? Explain your answer.

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The table shows the processes required to separate different mixtures in four separate jars.

Jar Jar 1 Jar 2 Jar 3  Jar 4
Process Distillation Filtration Evaporation Sublimation

What process does not involve heating?

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The _____ is a filter made by punching holes or crossing wires.

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The strainer is a filter made by punching holes or crossing wires.

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Filter paper is a filter with very fine pores in it.

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Take some muddy water in a beaker. Filter it in three different ways as shown below. Which do you think is the most effective method? Why? 

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_____ the technique used to separate solids from liquids.

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Chromatography technique is used to separate sand and water.

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Give an example of the following from our daily life.
Filtration in the kitchen.

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Unscramble the following word to make meaningful word:
ESIERDU 

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Unscramble the following word to make meaningful word:
AIFLTRET

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Unscramble the following word to make meaningful word:

ESUSPEDND ________

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Observe the given image carefully and answer the following question.

Name the method of separation shown in the image.

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State whether the following statement is true or false.

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This method of separating a mixture of sand and water does not involve any chemical reaction, nor do they require energy input.

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Which of the following solutions will leave a residue on the paper when they are filtered?

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Write a short note on filtration.

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Name the following:

The process in which the solution containing undissolved particles is made to pass through a filter paper. 

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Some small pieces of wood charcoal have been found in sugar syrup. How will you separate them?

HARD
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If the component in a mixture shows the property given below, then which separation method should be adopted—

One is soluble and another is insoluble in water.

MEDIUM
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Explain the process of getting pure salt from impure salt with diagram.