Stoichiometry 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. 78.51 80 80.38 79.62 78.51 80 80.38 79.62 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute. Increase None of these Decrease Remain unchanged Increase None of these Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be Neutral Basic More acidic Of the same acidity Neutral Basic More acidic Of the same acidity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat capacity of most substances is greater for the __________ state. Liquid Gaseous Solid None of these Liquid Gaseous Solid None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of None of these 100 3 1000 None of these 100 3 1000 ANSWER DOWNLOAD EXAMIANS APP
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