Chemistry MCQ on MatterThe following section consists of Chemistry Multiple Choice questions on Matter For competitions and exams. Select the correct option to test your skills on Matter.
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Question 1 of 20
1. Question
Which of the following is false for gases?
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Question 2 of 20
2. Question
Normal temperature and pressure (S.T.P) of gases refer to?
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Question 3 of 20
3. Question
The S.I unit of pressure is?
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Question 4 of 20
4. Question
How many scales of thermometer are there?
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Question 5 of 20
5. Question
Mathematically Boyle’s Law is shown as?
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Question 6 of 20
6. Question
A graph plotted by Boyle’s Law is?
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Question 7 of 20
7. Question
A graph between pressure and inverse of volume and constant temperature and number of moles?
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Question 8 of 20
8. Question
The gas law giving relationship between volume and pressure of gas?
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Question 9 of 20
9. Question
At constant temperature, if the pressure is doubled, the volume of the gas will be?
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Question 10 of 20
10. Question
The collision of molecules of gases at reduced volume causes?
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Question 11 of 20
11. Question
700 tort is equal to?
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Question 12 of 20
12. Question
The value of the general gas constant R in SI units is?
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Question 13 of 20
13. Question
If a graph is plotted between temperature on x-axis and volume of the one mole of gas on V-axis at constant pressure, than a straight line Is obtained which cuts a temperature axis at?
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Question 14 of 20
14. Question
If the temperature and pessure of 2dm3 of CO2 are doubled, then volume of CO2 would become?
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Question 15 of 20
15. Question
The ideal gas constant R, when expressed in dm3 — atm unit, be a value of?
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Question 16 of 20
16. Question
If both temperature and volume of a gas doubled,. the pressure?
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Question 17 of 20
17. Question
The energy of gas molecules increases
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Question 18 of 20
18. Question
Gas equation is the combination of?
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Question 19 of 20
19. Question
A gas occupies a volume of 4dm3 at 25°C and l atm, pressure. What volume it occupies at S.T.P?
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Question 20 of 20
20. Question
At 50°C a gas has l atm pressure, and 20dm3 volume, its volume at S.T.P would be
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Question 1 of 20
1. Question
The volume of a given mass of a gas directly proportional to the absolute temperature at a given pressure, is the statement of?
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Question 2 of 20
2. Question
A decrease in temperature, _____ the average Kinetic energy of the gas molecules.
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Question 3 of 20
3. Question
At constant pressure, the decreased velocity, causes the sample of a gas to?
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Question 4 of 20
4. Question
Charle’s Law can be represented Mathematically as?
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Question 5 of 20
5. Question
The temperature that refer absolute zero is?
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Question 6 of 20
6. Question
The relationship between the volume and the number of molecular mass was explained by?
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Question 7 of 20
7. Question
Volume of a gas is directly proportional to the number of molecules when?
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Question 8 of 20
8. Question
The mass of 22.4 dm3 of SO3 of S.T.P is equal to?
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Question 9 of 20
9. Question
The mass of 22.4 dm3 of N2 is?
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Question 10 of 20
10. Question
1 dm3 of 02 is equal to?
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Question 11 of 20
11. Question
The general gas equation is represented as?
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Question 12 of 20
12. Question
The density of methane (CH4) at 2 atm pressure and 27°C is?
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Question 13 of 20
13. Question
Which of the following gas diffuse most rapidly?
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Question 14 of 20
14. Question
The rate of diffusion of a gas is inversely proportional to the square root of the density of that gas. This is that statement of?
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Question 15 of 20
15. Question
Two gases Helium & Sulphur dioxide are enclosed in a porous vessel. The comparison of diffusion rates will be?
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Question 16 of 20
16. Question
Nitrogen and Ethene (C2H4) have the same rates of diffusion at a fixed temperature because?
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Question 17 of 20
17. Question
The rate of diffusion of hydrogen gas is three times faster than that of X gas at same temperature and pressure, the molecular mass of gas X is?
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Question 18 of 20
18. Question
When two gases of same molecular masses are present at constant temperature and pressure, which of the following statement is true about the two gases?
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Question 19 of 20
19. Question
The formula used to calculate Partial pressure of a gas is?
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Question 20 of 20
20. Question
The Law which applies most commonly to the cases of a gas collected over water, is?
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Question 1 of 20
1. Question
The pressure of moist gas is equal to?
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Question 2 of 20
2. Question
Rate of diffusion of CO & N2 are same at room temperature because?
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Question 3 of 20
3. Question
H2 is prepared in the laboratory and is collected over water. The pressure of the gas is 745 ton. The pressure of water vapour is 24torr. The pressure of the dry gas is?
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Question 4 of 20
4. Question
The actual pressure on the walls of the container for ideal gas is always less than observed pressure. This is due to the reason that?
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Question 5 of 20
5. Question
The deviation of gases from ideal behavior is due to one of the following reason?
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Question 6 of 20
6. Question
The liquids that have stronger intermolecular attraction have ______ viscosity:
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Question 7 of 20
7. Question
Ethyl alcohol(C2H5OH) is more viscous than ether (C2H50C2H5) because?
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Question 8 of 20
8. Question
Viscosity is expressed in?
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Question 9 of 20
9. Question
Viscosity___ with rise in temperature:
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Question 10 of 20
10. Question
Force per unit length is called?
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Question 11 of 20
11. Question
Capillary action of a liquid is due to?
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Question 12 of 20
12. Question
Condensation is the conversion of?
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Question 13 of 20
13. Question
Evaporation is a cooling process because?
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Question 14 of 20
14. Question
Evaporation takes place at?
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Question 15 of 20
15. Question
The Statement concerning the relation of temperature to the volume of a gas under fixed pressure was first synthesized by?
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Question 16 of 20
16. Question
The temperature at which the volume of a gas is theoretically zero, is called?
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Question 17 of 20
17. Question
Boiling point of a liquid ___ with increase in pressure.
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Question 18 of 20
18. Question
—273°C is equal to?
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Question 19 of 20
19. Question
The freezing point of water in Fahrenheit scale is?
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Question 20 of 20
20. Question
Pressure of the gas is due to _____ of the molecules on the walls of vessel.
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Question 1 of 20
1. Question
Boyle’s Law relates?
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Question 2 of 20
2. Question
Effusion is the escape of gas through?
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Question 3 of 20
3. Question
The Boiling point of pure’ water as?
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Question 4 of 20
4. Question
The existence of different crystalline forms of the same substance is called?
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Question 5 of 20
5. Question
The internal resistance of a liquid to flow is called?
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Question 6 of 20
6. Question
Lighter gas diffuses ___ than heavier gases
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Question 7 of 20
7. Question
The state of matter in which the tendency of compressibility is almost zero is?
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Question 8 of 20
8. Question
The property of crystals in which the physical properties are different in different direction is called?
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Question 9 of 20
9. Question
Diamond is the example of?
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Question 10 of 20
10. Question
I2 is the example of?
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Question 11 of 20
11. Question
The two substances having same.crystals are said to be?
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Question 12 of 20
12. Question
Which of the following pair form cubic crystals?
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Question 13 of 20
13. Question
When all the angles of system is equal to 90°, i.e. α = β = γ = 90° but the sides are not equal the system is said to be?
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Question 14 of 20
14. Question
When α = β = 90° and γ = 120° then the system is said to be?
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Question 15 of 20
15. Question
When α ≠ β ≠ γ ≠ 90° then the system is said to be?
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Question 16 of 20
16. Question
The conversion of solid state directly into a gaseous state without passing through liquid state is called?
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Question 17 of 20
17. Question
oiling point increases with the presence of?
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Question 18 of 20
18. Question
To cook the food at a high mountain is difficult as compared to sea level because?
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Question 19 of 20
19. Question
Glycerin is a polar compound. It boils at 290°C under l atm. It should be distilled under reduced pressure due to the reason that?
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Question 20 of 20
20. Question
Ionic solids are characterized by?