NCERT Class 12 Chemistry General Knowledge Questions and Answers
111 In the following question a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
Answer: Assertion and reason both are incorrect statements.
112 Relative lowering of vapour pressure is a colligative property because ________ .
Answer: It depends on the concentration of a non electrolyte solute in solution and does not depend on the nature of the solute molecules.
113 Benzoic acid, when dissolved in benzene, which of the following is correct.
Answer: The benzoic acid will undergo association.
115 Which of the following statements is not correct?
Answer: Denaturation makes the proteins more active.
116 Extent of adsorption of adsorbate from solution phase increases with ___________ .
Answer: increase in amount of adsorbate in solution.
120 Out of molality (m), molarity (M), formality (F) and mole fraction (x), those which are independent of temperature are
Answer: m, x