1.
Maximum number of states of matter is
2.
Which of the following is not matter?
3.
Which of the following statement is not correct?
4.
The forces of attraction between the particles of matter is maximum in
5.
Which of the following statement does not make any sense?
6.
A gas can be best liquefied by
7.
Which of the following represents the correct order of evaporation?
8.
Which of the following compounds will undergo sublimation?
9.
Which of the following gases undergoes diffusion most readily?
10.
Which of the following statements is not correct?
11.
The standard room temperature is taken as
12.
In which of the following substances, the interparticle forces of attraction are the strongest?
13.
Physical state(s) of water at 0° C is (are)
14.
The melting point of ice is
15.
The boiling point of water is
16.
The change from solid to vapour directly is called
17.
Evaporation of a liquid occurs at
18.
Every matter has its own the following
19.
When liquid starts boiling fully , the further heat energy which is supplied
20.
When potassium permanganate dissolve in water it gives
21.
At the same temperature and pressure which of the following gases will have maximum kinetic energy per moles?
22.
CO2 can be easily liquified and even solidified because
23.
Which of the following has highest kinetic energy?
24.
The colour of vapours formed on sublimation of iodine solid is
25.
Under which condition we can boil water at room temperature?
26.
During summer water kept in an earther pot becomes cool because of the phenomenon of
27.
Which of the following does not affect rate of evaporation?
28.
Kinetic energy of molecules is directly proportional to
29.
The fourth state of matter is
30.
Which of the following statements is true, when we dissolve salt in water?
31.
The maximum density of water is at
32.
The unit of density is
33.
Latent heat is used for
34.
At the high altitude boiling point of water
35.
-50° C the physical state of matter
37.
Colour of potassium permanganate is
38.
We are getting latent heat of fusion at
39.
A balloon bursts when kept under the sun, because
40.
Which of the following substances is sublime?
41.
In a humid day the rate of perspiration is
42.
The rate of diffusion of hydrogen and oxygen is
43.
The full form of BEC is
44.
Temperature and pressure is
45.
Dry ice is an example of
47.
Name the process when a drop of Dettol is added to the water
48.
SI unit of temperature is
50.
Lattice is observed in