How one can separate ammonium chloride from a mixture containing ammonium chloride and sodium chloride?
Anonymous Quiz
18%
Precipitation
42%
Sublimation
30%
Chromotography
10%
None
According to the definition of pure substance, which of the following is a pure substance?
Anonymous Quiz
22%
Ice
29%
Mercury
21%
Iron
28%
All of the above
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An object of mass 2 kg is sliding with a constant velocity of 4 m/s on a friction less horizontal table. The force required to keep the object moving with the same velocity is:
Anonymous Quiz
22%
32N
52%
0N
19%
28N
8%
5N
water tank filled upto 2/3 of its height is moving with a uniform speed. On sudden application of the brake, the water in the tank would
Anonymous Quiz
31%
Move backwards
43%
Move forward
23%
Come to rest
3%
Be unaffected
passenger in a moving train tosses a coin which falls behind him. Observing this statement what can you say about the motion of the train?
Anonymous Quiz
38%
Accelerated
30%
Retarted
20%
Along circular track
13%
Uniform
man wearing a bullet-proof vest stands on roller skates. The total mass is 80 kg. A bullet of mass 20 g is fired at 400 m/s. It is stopped by the vest and falls to the ground. What is then the velocity of the man?
Anonymous Quiz
34%
1m/s
31%
0.1m/s
25%
0.01m/s
10%
0m/s
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Zig zag movement of the solute particle in solution is known as
Anonymous Quiz
18%
Linear motion
20%
Circular motion
41%
Browiman motion
22%
Curverd motion
A gas which obey the gas laws is known as
Anonymous Quiz
37%
An ideal gas
20%
A heavier gas
27%
A lighter gas
16%
A real gas
What the term used to describe the phase change as a liquid become a solid
Anonymous Quiz
16%
Evaporation
33%
Condensation
48%
Frezzing
4%
None
The quantity of matter present in an object is called its
Anonymous Quiz
13%
Weight
16%
Gram
56%
Mass
15%
Density
Out of the following which is the denset state of matter
Anonymous Quiz
36%
Solid
17%
Liquid
37%
Plasmas
11%
Gas
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