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Stoichiometry

Stoichiometry
__________ fuels require the maximum percentage of 'excess air' for complete combustion.

Gaseous
Solid
Nuclear
Liquid

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Stoichiometry
Average molecular weight of air is about

21
79
29
23

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Stoichiometry
Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.

Thiosulphate
Bisulphite
Chloride
Carbonate (monohydrate)

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

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

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Stoichiometry
As per Kirchoff s equation, the heat of reaction is affected by the

Pressure
Molecularity
Volume
Temperature

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Stoichiometry
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 m³. 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 m³. The amount of water vapour condensed (in kg) is

0.1
1
0.065

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