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MCQ Matter And Its States SET 5

ALL MCQ For Matter And Its States

1. Temperature which is same in both Celsius scale and Fahrenheit scale:

0°C

-40°

40°C

32°F

Question 1 of 15

2. Compressibility factor for ideal gas is

0

lies between 0 and 1

1

Greater than 1

Question 2 of 15

3. One gram molecule of a gas at N.T.P. occupies 22.4 litres? This fact was derived from

Dalton’s theory

Grahm’s law

Law of gaseous volume

Avogadro’s hypothesis

Question 3 of 15

4. In the ideal gas equation, the gas constant R has the dimensions

mole-atm K^-1

erg K^-1

litre-atm K^-1 mole^-1

litre mole

Question 4 of 15

5. Rate of diffusion of a gas is

Directly proportional to its density

Directly proportional to its molecular mass

Directly proportional to the square root of its molecular mass

Inversely proportional to the square root of its molecular mass

Question 5 of 15

6. Name the liquid with higher vapour pressure in the following pairs:

Alcohol, Water, Petrol

Alcohol, Petrol, Water

Petrol, Water, Alcohol

None of these

Question 6 of 15

7. Find the fraction of the total pressure exerted by hydrogen if it is mixed with ethane in an empty container at 25℃

15/16

1/2

1/16

1

Question 7 of 15

8. Find the temperature at which the rate of effusion of N2 is 1.625 times to that of SO2 at 500℃

173℃

110℃

373℃

620℃

Question 8 of 15

9. How many of the know elements exist as gases at 25°C?

9

12

15

11

Question 9 of 15

10. The volume of 2.8 g of carbon monoxide at 27°C and 0.0821 atm is

30 L

0.3 L

1.5 L

3 L

Question 10 of 15

11. The liquid which has the highest rate of evaporation is:

Petrol

Alcohol

Water

Nail- polish remover

Question 11 of 15

12. When we put some crystals of potassium permanganate in a beaker containing water, we observe that after sometime whole water has turned pink. This is due to:

Boiling

Diffusion

Sublimation of crystals

Melting of potassium permanganate crystals

Question 12 of 15

13. The state of matter which consists of super energetic particles in the form of ionized gases is called:

Gaseous state

Bose- Einstein condensate

Liquid state

Plasma state

Question 13 of 15

14. The force that binds the particles of matter together is known as:

Intermolecular space

Nuclear force

Intermolecular force

Bond

Question 14 of 15

15. Equal volumes of all gases under similar conditions of temperature and pressure contain equal numbers of molecules. This statement was made by:

Gay- lussae

Berzilius

John Dalton

Avogadro

Question 15 of 15

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