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Number of gm moles of solute dissolved in one litre of a solution is called its  
A.  equivalent weight [Wrong Answer] 
B.  molarity [Correct Answer] 
C.  molality [Wrong Answer] 
D.  normality [Wrong Answer] 
View Answer
Explanation:
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result 
Also Read Similar Questions Below :
⇒ The density of a liquid is 1500 kg/m^{3}. Its value in gin/litre will be equal to
1.5
15
150
1500
⇒ Atoms of the same element, but of different masses are called
isobars
isotones
isotopes
none of these
⇒ Pick out the wrong unit conversion of heat transfer rate.
1 kcal/hr= 1.163 Watt.
1 Watt = 1.163 kcal/hr.
1 BTU/ft^{2}.hr = 2.712 kcal/m^{2}.hr.
1 kcal/m^{2}.hr = 0.3687 BTU/ft^{2}.hr = 1.163 Watt/m^{2}.
⇒ °API gravity of water at N.T.P. is about
0
1
10
100
⇒ 1 Kcal/kg. °C is equivalent to __________ BTU/lb. °F.
1
2.42
4.97
none of these
⇒ The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature.
reduced
Boyle
critical
inversion
⇒ NaOH contains __________ percent oxygen.
1
10
16
40
⇒ The total number of atoms in 8.5 gm of NH_{3} is __________ x 10^{23}.
9.03
3.01
1.204
6.02
⇒ Pick out the wrong statement.
Raoult's law holds good for the solubility of polar gases in nonpolar liquids.
Molecules with symmetrical arrangement (e.g., CH_{4} and CCl_{4}) are nonpolar.
Most of the hydrocarbons are nonpolar.
Generally, nonpolar compounds are chemically inactive, conduct electricity poorly and do not ionise.
⇒ Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.
carbonate (monohydrate)
chloride
thiosulphate
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⇒ The increase in the temperature of the aqueous solution will result in decrease of its
weight % of the solute.
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molarity.
molality.
⇒ Pick out the wrong conversion formula for the conversion of weight units :
1 tonne = 1000 kg = 22.046 lbs
1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton
1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons
none of these
⇒ Pick out the wrong unit conversion.
1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm^{2}
1 kPa = 100 bar
1 mm Hg = 1 torr = 133.3 Pa

⇒ Enthalpy of formation of NH_{3} is  46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH_{3} → N_{2} + 3H_{2}, is equal to __________ kJ/kg. mole.
46
92
23
92
⇒ A vapor that exists above its critical temperature is termed as a __________ vapor.
saturated
unsaturated
gaseous
subcooled
⇒ The value of (C_{p}  C_{v})for a real gas obeying Vander Wall's equation is
R
> R
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⇒ Pick out the correct statement.
A substance existing above its critical temperature is called a saturated vapor.
A mixture of vapor gas is called saturated, if the equilibrium vapor pressure of the liquid is more than the partial pressure of the vapor at the same temperature.
Heat added to or given up by a substance at constant temperature is called the sensible heat.
The end points of a vaporpressure vs. temperature curve are critical and triple points.
⇒ PH value of a solution containing 1 gm of hydrogen ion per litre will be
0
1
7
10
⇒ Isotopes are atoms having the same
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number of neutrons
atomic mass
none of these
⇒ An oxidation process is accompanied by decrease in the
number of electrons.
oxidation number.
number of ions.
all (a), (b) & (c).
⇒ Which of the following is insensitive to changes in pressure ?
Heat of vaporisation
Melting point
Heat of fusion
Both (b) and (c)
⇒ The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is
termed as relative saturation.
not a function of the composition of gas mixture.
called percentage saturation.
not a function of the nature of vapor.
⇒ Gases diffuse faster compared to liquids because of the reason that the liquid molecules
are held together by stronger intermolecular forces.
move faster.
have no definite shape.
are heavier
⇒ A gaseous mixture contains 14 kg of N_{2}, 16 kg of O_{2} and 17 kg of NH_{3}. The mole fraction of oxygen is
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0.33
0.66
0.47
⇒ A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be
0°C
0°K
136.5°C
136.5°K
⇒ With increase in temperature, the surface tension of water
increases
decreases
remains constant
increases linearly
⇒ For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become
P/3
3P
9P^{2}
9P
⇒ Claussius Clapeyron equation applies to the __________ process.
sublimation
melting
vaporisation
all (a), (b) & (c)
⇒ A gas mixture contains 6 moles of H_{2} and 2 moles of N_{2}. If the total pressure of the gaseous mixture is 4 kgf/cm^{2} ; then the partial pressure of N_{2} in the mixture will be __________ kgf/cm^{2} .
1
2
4
8
⇒ One micron is equal to
10^{4} mm
10^{4} cm
10^{6} m
both(b)&(c)
⇒ The density of a liquid is 1500 kg/m^{3}. Its value in gin/litre will be equal to
1.5
15
150
1500
⇒ Atoms of the same element, but of different masses are called
isobars
isotones
isotopes
none of these
⇒ Pick out the wrong unit conversion of heat transfer rate.
1 kcal/hr= 1.163 Watt.
1 Watt = 1.163 kcal/hr.
1 BTU/ft^{2}.hr = 2.712 kcal/m^{2}.hr.
1 kcal/m^{2}.hr = 0.3687 BTU/ft^{2}.hr = 1.163 Watt/m^{2}.
⇒ °API gravity of water at N.T.P. is about
0
1
10
100
⇒ 1 Kcal/kg. °C is equivalent to __________ BTU/lb. °F.
1
2.42
4.97
none of these
⇒ The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature.
reduced
Boyle
critical
inversion
⇒ NaOH contains __________ percent oxygen.
1
10
16
40
⇒ The total number of atoms in 8.5 gm of NH_{3} is __________ x 10^{23}.
9.03
3.01
1.204
6.02
⇒ Pick out the wrong statement.
Raoult's law holds good for the solubility of polar gases in nonpolar liquids.
Molecules with symmetrical arrangement (e.g., CH_{4} and CCl_{4}) are nonpolar.
Most of the hydrocarbons are nonpolar.
Generally, nonpolar compounds are chemically inactive, conduct electricity poorly and do not ionise.
⇒ Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.
carbonate (monohydrate)
chloride
thiosulphate
bisulphite
⇒ The increase in the temperature of the aqueous solution will result in decrease of its
weight % of the solute.
mole fraction of the solute.
molarity.
molality.
⇒ Pick out the wrong conversion formula for the conversion of weight units :
1 tonne = 1000 kg = 22.046 lbs
1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton
1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons
none of these
⇒ Pick out the wrong unit conversion.
1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm^{2}
1 kPa = 100 bar
1 mm Hg = 1 torr = 133.3 Pa

⇒ Enthalpy of formation of NH_{3} is  46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH_{3} → N_{2} + 3H_{2}, is equal to __________ kJ/kg. mole.
46
92
23
92
⇒ A vapor that exists above its critical temperature is termed as a __________ vapor.
saturated
unsaturated
gaseous
subcooled
⇒ The value of (C_{p}  C_{v})for a real gas obeying Vander Wall's equation is
R
> R
< R
0.5 R
⇒ Pick out the correct statement.
A substance existing above its critical temperature is called a saturated vapor.
A mixture of vapor gas is called saturated, if the equilibrium vapor pressure of the liquid is more than the partial pressure of the vapor at the same temperature.
Heat added to or given up by a substance at constant temperature is called the sensible heat.
The end points of a vaporpressure vs. temperature curve are critical and triple points.
⇒ PH value of a solution containing 1 gm of hydrogen ion per litre will be
0
1
7
10
⇒ Isotopes are atoms having the same
mass number
number of neutrons
atomic mass
none of these
⇒ An oxidation process is accompanied by decrease in the
number of electrons.
oxidation number.
number of ions.
all (a), (b) & (c).
⇒ Which of the following is insensitive to changes in pressure ?
Heat of vaporisation
Melting point
Heat of fusion
Both (b) and (c)
⇒ The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is
termed as relative saturation.
not a function of the composition of gas mixture.
called percentage saturation.
not a function of the nature of vapor.
⇒ Gases diffuse faster compared to liquids because of the reason that the liquid molecules
are held together by stronger intermolecular forces.
move faster.
have no definite shape.
are heavier
⇒ A gaseous mixture contains 14 kg of N_{2}, 16 kg of O_{2} and 17 kg of NH_{3}. The mole fraction of oxygen is
0.16
0.33
0.66
0.47
⇒ A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be
0°C
0°K
136.5°C
136.5°K
⇒ With increase in temperature, the surface tension of water
increases
decreases
remains constant
increases linearly
⇒ For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become
P/3
3P
9P^{2}
9P
⇒ Claussius Clapeyron equation applies to the __________ process.
sublimation
melting
vaporisation
all (a), (b) & (c)
⇒ A gas mixture contains 6 moles of H_{2} and 2 moles of N_{2}. If the total pressure of the gaseous mixture is 4 kgf/cm^{2} ; then the partial pressure of N_{2} in the mixture will be __________ kgf/cm^{2} .
1
2
4
8
⇒ One micron is equal to
10^{4} mm
10^{4} cm
10^{6} m
both(b)&(c)