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question_answer1)
Which one of the following statements is not correct about the three states of matter i.e. solid, liquid and gaseous
A)
Molecules of a solid possess least energy whereas those of a gas possess highest energy done
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B)
The density of solid is highest whereas that of gases is lowest done
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C)
Gases like liquids possess definite volumes done
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D)
Molecules of a solid possess vibratory motion done
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question_answer2)
The temperature and pressure at which ice, liquid water and water vapour can exist together are
A)
\[{{0}^{o}}C,\,1\,atm\] done
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B)
\[{{2}^{o}}C,\,4.7\,atm\] done
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C)
\[{{0}^{o}}C,\,4.7\,mm\] done
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D)
\[-{{2}^{o}}C,\,4.7\,mm\] done
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question_answer3)
Which of the following is true about gaseous state
A)
Thermal energy = Molecular attraction done
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B)
Thermal energy >> Molecular attraction done
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C)
Thermal energy << Molecular attraction done
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D)
Molecular forces >> Those in liquids done
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question_answer4)
Kinetic energy of molecules is highest in
A)
Gases done
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B)
Solids done
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C)
Liquids done
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D)
Solutions done
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question_answer5)
Which of the following statement is correct
A)
In all the three states the molecules possess random translational motion done
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B)
Gases cannot be converted into solids without passing through liquid state done
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C)
One of the common property of liquids and gases is viscosity done
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D)
According to Boyle's law V/P is constant at constant T done
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question_answer6)
A volume of 1 \[{{m}^{3}}\] is equal to
A)
\[1000\,c{{m}^{3}}\] done
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B)
\[100\,c{{m}^{3}}\] done
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C)
\[10\,d{{m}^{3}}\] done
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D)
\[{{10}^{6}}\,c{{m}^{3}}\] done
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question_answer7)
Which one of the following is not a unit of pressure
A)
Newton done
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B)
Torr done
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C)
Pascal done
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D)
Bar done
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question_answer8)
\[{{1}^{o}}C\] rise in temperature is equal to a rise of
A)
\[{{1}^{o}}F\] done
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B)
\[9/{{5}^{o}}F\] done
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C)
\[5/{{9}^{o}}F\] done
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D)
\[{{33}^{o}}F\] done
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question_answer9)
Which of the following relations for expressing volume of a sample is not correct
A)
\[1L={{10}^{3}}\,ml\] done
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B)
\[1\,d{{m}^{3}}=1\,L\] done
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C)
\[1\,L={{10}^{3}}{{m}^{3}}\] done
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D)
\[1L={{10}^{3}}\,c{{m}^{3}}\] done
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question_answer10)
One atmosphere is numerically equal to approximately
A)
\[{{10}^{6}}\,\text{dynes }c{{m}^{-2}}\] done
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B)
\[{{10}^{6}}\,\text{dynes }c{{m}^{-2}}\] done
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C)
\[{{10}^{4}}\,\text{dynes }c{{m}^{-2}}\] done
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D)
\[{{10}^{8}}\,\text{dynes }c{{m}^{-2}}\] done
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question_answer11)
2gm of \[{{O}_{2}}\] at \[{{27}^{o}}C\] and 760mm of Hg pressure has volume [BCECE 2005]
A)
1.5 lit. done
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B)
2.8 lit. done
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C)
11.2 lit. done
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D)
22.4 lit. done
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question_answer12)
Pressure of a gas in a vessel can be measured by
A)
Barometer done
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B)
Manometer done
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C)
Stalgometer done
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D)
All the baove done
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question_answer13)
Volume occupied by a gas at one atmospheric pressure and \[{{0}^{o}}C\] is V mL. Its volume at 273 K will be [Bihar MADT 1982]
A)
V ml done
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B)
V/2 ml done
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C)
2 V done
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D)
None of these done
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question_answer14)
Which one of the following statements is wrong for gases [CBSE PMT 1999]
A)
Gases do not have a definite shape and volume done
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B)
Volume of the gas is equal to the volume of the container confining the gas done
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C)
Confined gas exerts uniform pressure on the walls of its container in all directions done
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D)
Mass of the gas cannot be determined by weighing a container in which it is enclosed done
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question_answer15)
Which of the following exhibits the weakest intermolecular forces [AIIMS 2000]
A)
\[N{{H}_{3}}\] done
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B)
\[HCl\] done
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C)
\[He\] done
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D)
\[{{H}_{2}}O\] done
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question_answer16)
\[{{N}_{2}}\] is found in a litre flask under \[100kPa\] pressure and \[{{O}_{2}}\] is found in another 3 litre flask under \[320\,kPa\] pressure. If the two flasks are connected, the resultant pressures is [Kerala PMT 2004]
A)
310 kPa done
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B)
210 kPa done
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C)
420 kPa done
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D)
365 kPa done
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E)
265 kPa done
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