EXPERIMENTAL TECHNIQUES IN CHEMISTRY Q.01: Select the most suitable answer for the given one. (i) The nature of positive rays depends on: (a) The nature of electrodes (b) The nature of the discharge tube (c) The nature of the residual gas (d) All of the above Ans: (c) The nature of the residual gas Explanation: … Read more
LIQUIDS & SOLIDS Q.1. Choose the best answers from the given choices. (i) London dispersion forces are the only forces present among the: (a) Molecules of water in liquid state. (b) Atoms of helium in gaseous state at high temperature. (c) Molecules of solid iodine. (d) Molecules of hydrogen chloride gas. Ans: (c) Molecules … Read more
GASES Q.01: Select the most suitable answers from the given ones in each question: (i) Pressure remaining constant at which temperature the volume of a gas will become twice of what it is at 0oC: (a) 546oC (b) 200oC (c) 546 K (d) 273 K Ans: (c) 546 K EXPLANATION: When a gas is present … Read more
EXPERIMENTAL TECHNIQUES IN CHEMISTRY Q.01: Select the most suitable answers from the given ones in each question: (i) A filtration process could be very time consuming if it were not aided by a gentle suction which is developed: (a) If the paper covers the funnel up to its circumference. (b) If the paper … Read more