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Stoichiometry

Stoichiometry
One micron is equal to __________ cm.

44110
44108
44112
44106

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Stoichiometry
The unit of dynamic viscosity is

Gm/cm sec
Stoke
Poise
Both B & C

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Stoichiometry
Pick out the wrong unit conversion of calorific value.

1 kcal/m³ = 0.1124 BTU/ft³
1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³
1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg
1 BTU/lb = 2.3 kcal/kg

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Stoichiometry
The crystallisation of a solute from a solution may be done by

Change of temperature thereby causing supersaturation
Changing the nature of the system by the addition of a more soluble material
Removal of pure solvent by evaporation
All of these

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Stoichiometry
The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be

0.2
0.1818
0.05
0.1

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Stoichiometry
The value of gas constant 'R' is __________ kcal/kg.mole.°C.

1.987
3.99
2.79
None of these

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