The process of mixing of different substances with each other due to
random motion of their particles is called?
random motion of their particles is called?
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36%
sublimation
44%
Diffusion
11%
Evaporation
9%
None of these
Water, chalk, sugar and salt are the
examples of_________________?
examples of_________________?
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14%
Elements
53%
Compounds
30%
Mixtures
3%
None of above
Pure substances which are made up of only one kind of atoms are known as ___________?
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74%
Elements
17%
Compounds
7%
Mixtures
2%
None of above
Atoms of silver and copper
are_____________?
are_____________?
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25%
Identical
43%
Different
29%
Some atom are same, some are different
2%
None of these
6 × 1024 kg : Mass of the Earth : : 6.4 × 106 m :
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68%
Radius of the Earth
23%
Radius of the mars
25%
Radius of the moon
12%
None
The value of ‘g’ on Earth is zero at
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59%
Centre of earth
23%
At equator
13%
Poles
24%
Both A and C
The gravitational force causes
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21%
Tides
18%
Circular motion of moon
27%
Circular motion of earth
57%
All of above
The gravitational force causes
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18%
Tides
19%
Circular motion of moon
26%
Circular motion of earth
56%
All of above
The value of ‘g’ on Earth is zero at
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57%
Centre of earth
15%
poles
15%
At equator
30%
Both A and C
If the distance between two bodies becomes half, the gravitational force between them becomes
Anonymous Poll
42%
half
35%
4 times
29%
One forth
25%
2 times