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Earn 100

Name the following.

The method used to separate salt and water.

50% studentsanswered this correctly

Important Questions on Separation of Substances

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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
Distilled water is _____ of the electricity.
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
The amount of matter that a thing has is its _____.
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
Matter is found in two states.   
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
The settling down of insoluble matter in water is called _____.
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
Freezing water into ice is an example of _____ change.
MEDIUM
Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
_____ has a definite volume, but no definite shape.
HARD
Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
Name three states of matter. In what ways are they different from each other?
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
Which of these have tightly packed particles?
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances

Choose the correct answer from the box and fill in the blank.

gases solids liquids

Things that do not have a fixed volume and can flow are called _____.

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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances

Choose the odd one. Give reasons for your choice.

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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
Gases take up the entire space they are kept in. 
 
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
Burning of sugar is an example of _____ change.
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
A physical change cannot be reversed.
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances

Study the table carefully and answer the question.

Matter Properties Example
Solid has a definite shape and size W
Liquid has a definite volume but no definite shape has X
Y has no definite volume or size Z

‘Petrol’ can be put in place of _____. 

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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
In liquids, particles are tightly packed as solids.
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
Air is not matter since we cannot see it. 
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
Choose the odd one out:
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
In liquids, particles are tightly packed so that they can move and slide over each other.
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
With the help of diagrams, explain the particle arrangement in solids, liquids, and gases.
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Science>Chemistry>Separation of Substances>Introduction to Separation of Substances
On heating, _____ process changes the state of matter.