Stoichiometry
The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.

Less
More
Same
Either A or B; depends on the nature of the substance

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Stoichiometry
Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

Only OH⁻ and H⁺ ions react in every case
The strong base and strong acid reacts completely
The salt formed does not hydrolyse
The strong base and strong acid reacts in aqueous solution

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