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Stoichiometry

Stoichiometry
Dry air is a mixture of

Gases
Vapors
Neither A nor B
Both A & B

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Stoichiometry
A compound was found having nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of the compound is

N₂O₅
N₂O₃
None of these
N₂O₄

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Stoichiometry
Which of the following is not a unit of kinematic viscosity?

Stoke
Poise
None of these
Cm²/second

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Stoichiometry
Which of the following ratios defines the recycle ratio in a chemical process?

None of these
Recycle stream/gross feed stream
Gross feed stream/recycle feed stream
Recycle stream/fresh feed stream

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Stoichiometry
In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is

Unchanged by the pressure change
Independent of the temperature
Increased with the increase in pressure
Decreased with the increase in pressure

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Stoichiometry
If 1 Nm³ of O₂ contains 'N' number of molecules, then number of molecules in 2Nm³ of SO₂ will be

2N
N
4N
N/2

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