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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not correct about postulates of kinetic molecular theory of gases?
1 . | Pressure of the gas is due to the collision of molecules against the walls of the container. |
2. | Volume of the gas is due to the large number of molecules of the gas. |
3. | Average kinetic energy of molecules is directly proportional to the absolute temperature of the gas. |
4. | The molecules move randomly with different speeds in different directions. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAt 300 K, 250 mL of gas A at 1 bar pressure is mixed with 500 mL of a gas B at 2 Bar pressure in a 1.0 L flask. Gas A does not react with gas B. The final pressure of the mixture is-
1. 1.00 bar
2. 2.15 bar
3. 2.50 bar
4. 1.25 bar
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose the correct option for graphical representation of Boyle's law, which shows a graph of pressure vs. volume of a gas at different temperatures :
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct option for the total pressure (in atm) in a mixture of 4 g O2 and 2 g H2 confined in a total volume of one litre at 0C is :
[Given R=0.082 L atm mol-1 K-1, T=273 K]
1. 25.18
2. 26.02
3. 2.518
3. 2.602
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA mixture of and Ar gases in a cylinder contains 7 g of and 8 g of Ar. If the total pressure of the mixture of the gases in the cylinder is 27 bar, the partial pressure of is:
[Use atomic masses (in g ): N=14, Ar=40]
1. 12 bar
2. 15 bar
3. 18 bar
4. 9 bar
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe minimum pressure required to compress 600 dm3 of a gas at 1 bar to 150 dm3 at 40°C is
1. 4.0 bar
2. 0.2 bar
3. 1.0 bar
4. 2.5 bar
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA gas at 350 K and 15 bar has molar volume 20 percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor (Z) is:
1. Z<1 and repulsive forces are dominant
2. Z>1 and attractive forces are dominant
3. Z>1 and repulsive forces are dominant
4. Z<1 and attractive forces are dominant
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn water-saturated air, the mole fraction of water vapor is 0.02. If the total pressure of the saturated air is 1.2 atm, the partial pressure of dry air is-
1. 1.17 atm
2. 1.76 atm
3. 1.27 atm
4. 0.98 atm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology