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Stoichiometry

Stoichiometry
Disappearance of snow in subzero weather exemplifies the process of

Evaporation
Sublimation
Melting
Vaporisation

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Stoichiometry
For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to

> 1
1
< 1

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Stoichiometry
Real gases approach ideal behaviour at

High pressure & high temperature
Low pressure & high temperature
Low pressure & low temperature
High pressure & low temperature

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Stoichiometry
Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg.

79.62
80
78.51
80.38

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

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

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Stoichiometry
The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole.

44
1
16

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MORE MCQ ON Stoichiometry

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