SCHOOL LECTURER (SCHOOL EDU.) 2025 2026 question with answer

Q1 The Van’t Hoff factor for 0.1 M Ba(NO₃)₂ solution is 2.74, then the degree of dissociation is — English · SCHOOL LECTURER (SCHOOL EDU.) 2025 Q2 Which statement is incorrect regarding chemisorption? English · SCHOOL LECTURER (SCHOOL EDU.) 2025 Q3 Consider the following two mixtures A and B — A = mixture of chloroform and acetone; B = mixture of carbon disulfid... English · SCHOOL LECTURER (SCHOOL EDU.) 2025 Q4 The half-life period of ⁸⁵Kr is 10 years. How much time will it take for 99% of the ⁸⁵Kr to disintegrate? English · SCHOOL LECTURER (SCHOOL EDU.) 2025 Q5 The enthalpy of combustion of methane, graphite and dihydrogen at 298 K are −890.3 kJ mol⁻¹, −393.5 kJ mol⁻¹ and −2... English · SCHOOL LECTURER (SCHOOL EDU.) 2025 Q6 A solution contains three components A, B and C (0.2 mole of each), then the sum of their mole fraction is English · SCHOOL LECTURER (SCHOOL EDU.) 2025