Shubham Jha - Class 9
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 Ice, water and water vapour look different and display different …………. properties but they are ………… the 
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37%
Physically
30%
Chemically
31%
Both
2%
None
Which one of the following has a long term effect on the health of an individual?
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18%
Common cold
54%
Chewing tobacco
12%
Chicken pox
15%
Stress
Which of the following are homogeneous in nature?
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36%
Ice
27%
Wood
27%
Soil
10%
None
. A colloid is a ………….. mixture
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37%
Homogeneous
41%
Heterogeneous
19%
Both
2%
None
How many loan pair electron in sodium
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42%
1
28%
2
24%
8
6%
4
😁1
A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called ………….
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46%
Fractional distillation
34%
Centrifugation
14%
Filteration
5%
Evaporation
During summer, water kept in an earthen pot becomes cool because of the phenomenon of
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17%
Diffusion
27%
Osmosis
50%
Evaporation
7%
Filteration
The boiling point of water at sea level is
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15%
173k
37%
273k
35%
373k
13%
None
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
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14%
0
38%
πr
33%
2r
15%
2πr
If the displacement of an object is proportional to square of time, then the object moves with
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28%
Uniform velocity
50%
Uniform acceleration
19%
Uniform speed
4%
None
Area under a υ -1 graph represents a physical quantity which has the unit
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25%
M
43%
M^2
21%
M^3
11%
All