Question 41 : The temperature at which the volume of a gas is theoretically zero, is called?
1. Absolute zero
2. Transition temperature
3. Critical temperature
4. None of the above
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Question 42 : The freezing point of water in Fahrenheit scale is?
1. 32°F
2. 312°F
3. 212°F
4. 0°F
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Question 43 : Pressure of the gas is due to _____ of the molecules on the walls of vessel.
1. Collision
2. Repulsion
3. None
4. Attraction
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Question 44 : —273°C is equal to?
1. 273K
2. OK
3. lOOK
4. 1K
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Question 45 : The Statement concerning the relation of temperature to the volume of a gas under fixed pressure was first synthesized by?
1. Avogadro
2. John Dalton
3. Robert Boyle
4. J. Charles
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Question 46 : Boiling point of a liquid ___ with increase in pressure.
1. Increase
2. Decrease
3. None
4. Remains same
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Question 47 : Evaporation takes place at?
1. High temperature
2. Temperature has no effect.
3. Low temperature
4. Any (All) temperature
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Question 48 : Condensation is the conversion of?
1. Gaseous state to a liquid state.
2. Solid state to a gaseous state.
3. Gaseous state to a solid state.
4. Liquid state to a solid state.
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Question 49 : Evaporation is a cooling process because?
1. The molecules with high kinetic energy escape.
2. The molecules with low kinetic energy enters the system.
3. The molecules with low kinetic energy escape.
4. None of them
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Question 50 : Ethyl alcohol(C2H5OH) is more viscous than ether (C2H50C2H5) because?
1. None of above.
2. Small sic of ethyl alcohol.
3. Ethyl alcohol is more polar.
4. H-bonding present in ethyl alcohol
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