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Stoichiometry

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

Gaseous
Solid
Liquid
Nuclear

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Stoichiometry
Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is

1.72
0.5
0.2
0.58

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Stoichiometry
1 Pascal (unit of pressure) is equal to __________ N/m².

0.1
1
1000
10

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Stoichiometry
2 litres of nitrogen at N.T.P. weighs __________ gms.

2.5
14
1.25
28

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Stoichiometry
Dry air is a mixture of

Vapors
Gases
Both A & B
Neither A nor B

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Stoichiometry
Gases diffuse faster compared to liquids because of the reason that the liquid molecules

Have no definite shape
Move faster
Are heavier
Are held together by stronger inter-molecular forces

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