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Stoichiometry

Stoichiometry
Which of the following gases is the most soluble in water?

CH₄
NH₃
H₂S
CO₂

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Stoichiometry
In physical adsorption, as compared to chemisorption, the

Quantity adsorbed per unit mass is higher
Heat of adsorption is very large
Rate of adsorption is controlled by the resistance to surface reaction
Activation energy is very high

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Stoichiometry
Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the

None of these
Different elevation in boiling point
Elevation in boiling point in the ratio of their molecular weights
Same elevation in boiling point

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Stoichiometry
A reduction process is accompanied with increase in the

Oxidation number
Both A & B
Number of electrons
Neither A nor B

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Stoichiometry
The value of the gas-law constant 'R' is 1.987

Kcal/kg-mole.°K
Btu/lb-mole.°R
Both B & C
Kcal/kg-mole.°C

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Stoichiometry
Solutions having the same osmotic pressure are called __________ solutions.

Ideal
Dilute
Saturated
Isotonic

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