Shubham Jha - Class 9
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Impure matters are also called?
Anonymous Quiz
60%
Mixture
21%
Compound
10%
Elements
9%
None of these
Pure substances which are made up of only one kind of molecules are known as?
Anonymous Quiz
61%
Elements
13%
Mixture
19%
Compounds
7%
None
Which of the following is not an example of motion?
Anonymous Quiz
13%
Birds flying
12%
Earth revolving
15%
River flowing
60%
None of these
A body is said to be in ________if it does not change its position with respect to its surrounding.
Anonymous Quiz
24%
Motion
9%
Scalar
64%
Rest
4%
Vector
A body is said to be at rest, when it _____ with respect to its surrounding.
Anonymous Quiz
21%
Change its position
9%
Change its configuration
66%
Does not change its position
5%
Does not change its shape
An object can be at rest for one person but at motion for other because is__________ concept.
Anonymous Quiz
15%
Scalar
22%
Vector
48%
Relative
16%
Independent
Motion of bird flying in air is an example of
Anonymous Quiz
23%
Uniform motion
45%
Non uniform motion
26%
Both (a) and (b)
6%
None of these
Motion of hands of clock, is an example of
Anonymous Quiz
75%
Uniform motion
12%
Non uniform motion
9%
Both (a) and (b)
4%
None of these
In uniform motion ____is zero
Anonymous Quiz
16%
Speed
29%
Velocity
48%
Acceleration
7%
Distance covered
Motion of electrons around the nucleus is _________ motion
Anonymous Quiz
51%
Uniform
25%
Non uniform
17%
Both (a) and (b)
8%
Either (a) or (b)
The motion in which the object covers______ distance in ___ intervals of time is called uniform motion.
Anonymous Quiz
18%
Unequal, equal
70%
Equal, equal
9%
Equal, unequal
3%
Unequal, unequal
A body can be in motion for one observer and at same time at _____ for another, hence motion is relative.
Anonymous Quiz
19%
Motion
50%
Rest
28%
Both (a) and (b)
4%
None of these
Good morning 🌞
Good morning 🌞
Good morning 😌
At what temperature does solid ice and liquid water co-exist together?
Anonymous Quiz
22%
400° C
28%
300° c
20%
1000° c
31%
None of these
Generally on heating, temperature of substances_____________ ?
Anonymous Quiz
68%
Increases
19%
Decreases
10%
Remain same
3%
None of these
What is the physical state of water at 25° C?
Anonymous Quiz
22%
Solid
17%
Gas
59%
Liquid
2%
None of these
The temperature at which a liquid changes to gas is called?
Anonymous Quiz
19%
Melting point
61%
Boiling point
16%
Freezing point
4%
None of these
Camphor disappears without leaving any residue because of___________?
Anonymous Quiz
47%
Sublimation
23%
Diffusion
12%
Fusion
18%
Evaporation
Which of them is not an example of sublime?
Anonymous Quiz
27%
camphor
17%
Naphthalene balls
37%
Ammonia chloride
19%
All of above