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Q1. | Vapor pressure of water at 100°C is about __________ bar. |

A. | 0.1013 [Wrong Answer] |

B. | 1.013 [Correct Answer] |

C. | 10.13 [Wrong Answer] |

D. | 101.3 [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ Pick out the wrong unit conversion of thermal conductivity.

1 BTU/ft

^{2}.hr.°F/ft = 1.488 kcal/m

^{2}. hr.°C/m

1 BTU/ft

^{2}.hr.°F/inch = 1.488 kcal/m

^{2}. hr.°C/m

1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K

1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F

⇒ Kinematic viscosity of 1 m

^{2}/second is equivalent to __________ stokes.

10

10

^{2}

10

^{3}

10

^{4}

⇒ For estimation of heat capacity of a solid compound, one can use

Clayperon's equation

Gibb's equation

Kopp's rule

Trouton's rule

⇒ One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m

^{3}. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m

^{3}. The latent heat of condensation (kJ/kg

^{-1}) under these conditions is

40732

2676

2263

540

⇒ __________ equation relates latent heat and boiling point.

Antonie

Kistyakowsky

Kopp's

Trouton's

⇒ Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?

Chlorine

Nitrogen

Ethane

All the gases will have the same KE

⇒ If 1.5 moles of oxygen combines with aluminium to form Al

_{2}O

_{3}, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm.

27

54

5.4

2.7

⇒ Pick out the wrong unit conversion of mass transfer co-efficient.

1 lb/hr.ft

^{3}.atm. = 4.8182 kg/hr.m

^{2}.bar

1 kg/hr.m

^{2}.atm= 0.98687 kg/hr. m .bar

1 lb/hr . ft

^{2}= 4.8823 kg/hr . m

^{2}

1 kg/hr . m

^{2}= 4.8823 lb/hr . ft

^{2}

⇒ Avogadro number is the number of molecules in one __________ of a gas.

gram

kilogram

gm.mole

litre

⇒ Molar heat capacity of water in equilibrium with ice at constant pressure is

0

∞

1

none of these

⇒ 1 ata is equivalent to

1 atm.

10 torr

0.98 Pascal

1 kgf/cm

^{2}

⇒ Which of the following is followed by an ideal solution ?

Boyle's law

Amgat's law

Raoult's law

Trouton's rule

⇒ Applicability of Claussius-Clapeyron equation is subject to the condition that the

vapor follows ideal gas law.

volume in the liquid state is negligible.

both (a) & (b)

neither (a) nor (b)

⇒ Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules

do not lose energy on collision.

are above the inversion temperature.

do not exert attractive force on each other.

do work equal to loss in kinetic energy.

⇒ The most convenient way of expressing solution concentration is in terms of

mole fraction

normality

molality

molarity

⇒ One micron is equal to __________ cm.

10

^{-2}

10

^{-4}

10

^{-6}

10

^{-8}

⇒ Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?

°Be = (140/G) - 130

°Be = 200(G-1)

°Be = 145 - (145/G)

°Be = (400/G) - 400

⇒ Assuming that CO

_{2}obeys perfect gas law, calculate the density of CO

_{2}(in kg/m

^{3}) at 263°C and 2 atm.

1

2

3

4

⇒ 'Cox' chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the

temperature vs. log (vapor pressure).

vapor pressure vs. log (temperature).

log (temperature) vs. log (vapor pressure).

vapor pressure vs. temperature.

⇒ Pick out the wrong statement.

One kg-mole of an ideal gas occupies 22.4 m

^{3}at N.T.P.

One lb-mole of an ideal gas occupies 359 ft

^{3}at N.T.P.

One gm-mole of an ideal gas occupies 22.4 litres (i.e., 22400 c.c) at N.T.P.

Density of dry air at N.T.P. is 1 gm/litre.

⇒ A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.

equilibrium constant

conversion

rate constant

none of these

⇒ Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.

57.46

-57.46

114.92

-28.73

⇒ Size range of the colloidals particles is

5 - 200 milli-microns

50 - 200 microns

500 - 1000 microns

10 - 50 Angstrom

⇒ Heat of reaction is not influenced by

the route/method through which final products are obtained.

the physical state (e.g., solid, liquid or gaseous) of reactants and products.

whether the reaction is carried out at constant temperature or constant pressure.

none of these.

⇒ 500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.

650

700

600

375

⇒ Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is

0

1

2

3

⇒ One micron is equal to

10

^{-4}mm

10

^{-4}cm

10

^{-6}m

both(b)&(c)

⇒ 'Giga' stands for

10

^{9}

10

^{-12}

10

^{12}

10

^{15}

⇒ The elevation in boiling point of a solution is proportional to the __________ of the solution.

molal concentration

reciprocal of the molal concentration

normality

molarity

⇒ With rise in pressure, the solubility of gases in solvent, at a fixed temperature

increases

decreases

remains unchanged

decreases linearly