EXAMIANS
Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C).
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Disappearance of snow in subzero weather exemplifies the process of
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If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times.
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The number of H⁺ in 1 c.c solution of pH 13 is
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Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are PvB and Pvw respectively. The partial pressure of benzene in air-vapour mixture is
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Cp - Cv, for an ideal gas is equal to
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Heat of reaction is not influenced by
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The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas).
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The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies
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Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg.
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