Question 31 : 1 dm3 of 02 is equal to?
1. l6gm
2. 32gm
3. 2gm
4. 43gm
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Question 32 : The relationship between the volume and the number of molecular mass was explained by?
1. Robert Boyle
2. John Dalton
3. Amadeo Avogadro
4. Jacques Charles
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Question 33 : The temperature that refer absolute zero is?
1. 273 K
2. O K
3. —2716 K
4. 273°C
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Question 34 : Volume of a gas is directly proportional to the number of molecules when?
1. Temperature & pressure is constant.
2. Pressure is constant
3. None of the above
4. Temperature is constant.
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Question 35 : Charle's Law can be represented Mathematically as?
1. PV = K
2. P/V = K
3. VT = K
4. V/T = K
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Question 36 : A decrease in temperature, _____ the average Kinetic energy of the gas molecules.
1. Increases
2. Does not effect
3. Decreases
4.
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Question 37 : The mass of 24 dm3 of N2 is?
1. 2gm
2. 44 gm
3. 28gm
4. 32 gm
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Question 38 : The mass of 24 dm3 of SO3 of S.T.P is equal to?
1. 80gm
2. 24gm
3. 4Ogm
4. 64gm
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Question 39 : The volume of a given mass of a gas directly proportional to the absolute temperature at a given pressure, is the statement of?
1. Dalton's Law
2. Boyle's Law
3. Charle's Law
4. Graham's Law
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Question 40 : At constant pressure, the decreased velocity, causes the sample of a gas to?
1. Expand
2. Shrink
3. Remains same
4.
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