all the three states of water, (i.e. ice, liquid and vapour) chemical composition of water.
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26%
Is very different
34%
Remain same
32%
Some time same some time diffrent
8%
None
form of matter has no fixed shape but it has a fixed volume . An example of this form of matter is ———————
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19%
Co2
25%
Ice
35%
Water vapour
20%
Kerosene
The process in which solid is directly converted to vapors state is called ————
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30%
Vaporaistaion
27%
Solidification
40%
Sublimation
3%
None
The solid which undergoes sublimation is ————
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28%
Ice cube
42%
Nepethelen
25%
Sodium chloride
5%
Pottasium chloride
Which of the following is not a homogeneous mixture?
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28%
Air
31%
Sugar
23%
Milk
17%
None
Solid solution in which the solute is gas ———–
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24%
Copper disolved in gold
41%
Camphor in nitrogen
28%
Solution of hydrogen
7%
None
Which method is used to separate cream from milk?
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48%
Centrifugation
22%
Absorption
24%
Sublimation
5%
None
An alpha particle is also known as ————–
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43%
A double charged helium ion
23%
A troll charged
28%
A single ion
7%
None
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The cell wall of plan cell is madeup of
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23%
Chitin
55%
Cellulose
17%
Protein
5%
Fructose