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Stoichiometry

Boiling point of a solution as compared to that of the corresponding solvent is _________________?

August 30, 2021March 12, 2019 by admin
Boiling point of a solution as compared to that of the corresponding solvent is _________________?

A. Less
B. More
C. Same
D. Either more or less; depends upon the solvent

Categories Stoichiometry

Number of gm moles of solute dissolved in 1 kg of solvent is called its___________________?

August 30, 2021March 12, 2019 by admin
Number of gm moles of solute dissolved in 1 kg of solvent is called its___________________?

A. Normality
B. Molarity
C. Molality
D. Formality

Categories Stoichiometry

Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm ?

August 30, 2021March 12, 2019 by admin
Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm ?

A. 1
B. 2
C. 3
D. 4

Categories Stoichiometry

1 Pascal (unit of pressure) is equal to _______________ N/m2 ?

August 30, 2021March 12, 2019 by admin
1 Pascal (unit of pressure) is equal to _______________ N/m2 ?

A. 10
B. 1
C. 0.1
D. 1000

Categories Stoichiometry

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

August 30, 2021March 12, 2019 by admin
Pick out the wrong unit conversion of mass transfer co-efficient?

A. 1 lb/hr.ft3.atm. = 4.8182 kg/hr.m2.bar
B. 1 kg/hr.m2.atm= 0.98687 kg/hr. m .bar
C. 1 lb/hr.ft2 = 4.8823 kg/hr.m2
D. 1 kg/hr.m2 = 4.8823 lb/hr.ft2

Categories Stoichiometry

Heat of solution in a system in which both solute and solvent are liquids is termed as_________________?

August 30, 2021March 12, 2019 by admin
Heat of solution in a system in which both solute and solvent are liquids is termed as_________________?

A. Heat of solvation
B. Heat of hydration
C. Standard integral heat of solution
D. Heat of mixing

Categories Stoichiometry

The vapor pressure of liquids of similar chemical nature at any particular temperature _______________ with increase in the molecular weight?

August 30, 2021March 12, 2019 by admin
The vapor pressure of liquids of similar chemical nature at any particular temperature _______________ with increase in the molecular weight?

A. Increases
B. Decreases
C. Remains unchanged
D. Either A. or B.; depends on the liquid

Categories Stoichiometry

A chemical process is said to occur under unsteady state, if the_________________?

August 30, 2021March 12, 2019 by admin
A chemical process is said to occur under unsteady state, if the_________________?

A. Inventory changes do not take place
B. Ratio of streams entering/leaving are independent of time
C. Flow rates & composition both are time dependent
D. None of these

Categories Stoichiometry

N.T.P. corresponds to__________________?

August 30, 2021March 12, 2019 by admin
N.T.P. corresponds to__________________?

A. 1 atm absolute pressure & 0°C
B. 760 mm Hg gauge pressure & 0°C
C. 760 torr & 15°C
D. 101.325 KPa gauge pressure & 0°C

Categories Stoichiometry

‘Giga’ stands for__________________?

August 30, 2021March 12, 2019 by admin
‘Giga’ stands for__________________?

A. 109
B. 10-12
C. 1012
D. 1015

Categories Stoichiometry
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