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Stoichiometry

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

Liquid
Solid
Nuclear
Gaseous

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Stoichiometry
Two solutions A₁ and A₂ have pH value of 2 and 6 respectively. It implies that the solution

A₁ is more alkaline than solution A₂
A₁ is highly acidic
Both A & C
A₁ is very slightly acidic

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Stoichiometry
Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is

100°C
Greater than 80.1°C but less than 100°C
Less than 80.1°C
80.1°C

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Stoichiometry
The latent heat of vaporisation

All of these
Becomes zero at the critical point
Decreases as pressure increases
Decreases with increased temperature

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Stoichiometry
Othmer chart is useful in estimating the heat of

Wetting
Mixing
Adsorption
None of these

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Stoichiometry
For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.

Sodium chloride
Sodium carbonate monohydrate
Anhydrous sodium sulphate
Hypo

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