Question 1 : The energy of gas molecules increases
1. The number of moles of gas increase
2. Pressure of a gas increases
3. The rate of collision increases
4. The energy of gas molecules increases
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Question 2 : At 50°C a gas has l atm pressure, and 20dm3 volume, its volume at S.T.P would be
1. 16.94dm3
2. 10.92dm3
3. 42 dm3
4. 66dm3
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Question 3 : If both temperature and volume of a gas doubled,. the pressure?
1. increases four times
2. Remain unchanged
3. Is reduced to half
4. Also doubled
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Question 4 : The ideal gas constant R, when expressed in dm3 — atm unit, be a value of?
1. 821
2. 81
3. 821
4. 0.0821
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Question 5 : Gas equation is the combination of?
1. Avogadro's Law, Charle's Law & Boyle's law.
2. Charle's Law and Boyle's Law
3. Avogadro's Law and Charle's Law
4. Boyle's Law and Avogadro's Law
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Question 6 : 700 tort is equal to?
1. 760 atm
2. 700 atm
3. 1 atm
4. 0.92 atm
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Question 7 : If the temperature and pessure of 2dm3 ofCO₂ are doubled, then volume ofCO₂ would become?
1. 5dm3
2. 4dm3
3. 2dm3
4. 8dm3
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Question 8 : A gas occupies a volume of 4dm3 at 25°C and l atm, pressure. What volume it occupies at S.T.P?
1. 325.4
2. 36
3. 40.4
4. 66
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Question 9 : At constant temperature, if the pressure is doubled, the volume of the gas will be?
1. Reduced by half
2. Doubled
3. Not changed
4. Increased four times
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Question 10 : A graph between pressure and inverse of volume and constant temperature and number of moles?
1. Straight line parallel to x-axis
2. Straight line passing through the origin
3. Straight line parallel to v-axis
4. The curve showing the maximum.
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