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Stoichiometry

Measurement of the amount of dry gas collected over water from volume of moist gas is based on the___________________?

August 24, 2021March 4, 2019 by admin
Measurement of the amount of dry gas collected over water from volume of moist gas is based on the___________________?

A. Charle’s law
B. Dalton’s law of partial pressures
C. Avogadro’s hypothesis
D. Boyle’s law

Categories Stoichiometry

How many phases are present at eutectic point ?

August 24, 2021March 4, 2019 by admin
How many phases are present at eutectic point ?

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

Categories Stoichiometry

The atomic heat capacities of all solid elements ______________ with decrease in temperature?

August 24, 2021March 4, 2019 by admin
The atomic heat capacities of all solid elements ______________ with decrease in temperature?

A. Increases
B. Decreases
C. Remains unchanged
D. Approach zero at 0°C

Categories Stoichiometry

The value of the gas-law constant ‘R’ is 1.987 ?

August 24, 2021March 4, 2019 by admin
The value of the gas-law constant ‘R’ is 1.987 ?

A. kcal/kg-mole.°C
B. Btu/lb-mole.°R
C. kcal/kg-mole.°K
D. Both B. & C.

Categories Stoichiometry

Avogadro’s number is equal to__________________?

August 24, 2021March 4, 2019 by admin
Avogadro’s number is equal to__________________?

A. 6.023 × 1023 molecules/kg.mole
B. 6.023 × 1023 molecules/gm.mole
C. 6.023 × 1016 molecules/kg.mole
D. 6.023 × 1026 molecules/gm.mole

Categories Stoichiometry

The density of a liquid is 1500 kg/m3. Its value in gin/litre will be equal to________________?

August 24, 2021March 4, 2019 by admin
The density of a liquid is 1500 kg/m3. Its value in gin/litre will be equal to________________?

A. 1.5
B. 15
C. 150
D. 1500

Categories Stoichiometry

A saturated vapor on being compressed would___________________?

August 24, 2021March 4, 2019 by admin
A saturated vapor on being compressed would___________________?

A. Condense
B. Form wet steam
C. Both A. & B.
D. Neither A. nor B.

Categories Stoichiometry

A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal______________?

August 24, 2021March 4, 2019 by admin
A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal______________?

A. Kinetic energy
B. Intermolecular forces of attraction
C. Potential energy
D. Total energy

Categories Stoichiometry

With rise in temperature, the solubility of ammonia in water at a fixed pressure__________________?

August 24, 2021March 4, 2019 by admin
With rise in temperature, the solubility of ammonia in water at a fixed pressure__________________?

A. Increases
B. Decreases
C. Remains unchanged
D. Increases exponentially

Categories Stoichiometry

One micron is equal to _____________ cm?

August 24, 2021March 4, 2019 by admin
One micron is equal to _____________ cm?

A. 10-2
B. 10-4
C. 10-6
D. 10-8

Categories Stoichiometry
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