UP Board Class 12 Surface Chemistry — practice questions
13 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice UP Board Class 12 Surface Chemistry in the app →The solubility of a gas in a liquid generally:A $0.5$ molal aqueous solution of a non-electrolyte ($K_b = 0.52$ K kg/mol for water) boils at:A solution of $0.1$ M sucrose at $300$ K has osmotic pressure (using $R = 0.0821$ L atm/(mol K)):The van't Hoff factor $i$ for $0.1$ m NaCl (assuming complete dissociation) is:The MOLARITY of a solution containing 58.5 g NaCl dissolved in 1 L of solution is:The KEY DIFFERENCE between molarity (M) and molality (m) is that:HENRY'S LAW states that at constant temperature:A MINIMUM-BOILING azeotrope arises from:Which of these is NOT a colligative property?Salt is sprinkled on icy roads in cold countries to:The OSMOTIC PRESSURE π of a dilute solution is given by:The van't Hoff factor (i) for sodium chloride (NaCl) in water is approximately:Raoult's law for an ideal solution of two volatile components states: