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CBSE Class 9 Chemistry Is Matter Around Us Pure (Easy)
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Question 1 of 10
1. Question
Which of the following represents a chemical change?
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Question 2 of 10
2. Question
A mixture of oil and water can be separated by:
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Question 3 of 10
3. Question
Different components can be separated from petroleum by:
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Question 4 of 10
4. Question
What is the name of the metal which exists in liquid state at room temperature?
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Question 5 of 10
5. Question
When the liquid is spun rapidly, the denser particles are forced to the bottom and the lighter particles stay at the top. This principle is used in:
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Question 6 of 10
6. Question
If we put camphor in an open container, its amount keeps on decreasing due to the phenomenon of
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Question 7 of 10
7. Question
Heterogeneous mixture in which the solute particles do not dissolve and remain suspended throughout the solvent and the solute particles can be seen with the naked eye is known as:
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Question 8 of 10
8. Question
The continuous zig-zag movement of colloidal particles in a dispersion medium is called
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Question 9 of 10
9. Question
A pure substance which is made up of only one kind of atom and cannot be broken into two or more simpler substances by physical or chemical means is referred to as
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Question 10 of 10
10. Question
Which of the following non-metal is a good conductor of electricity?
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