Solved Exercise, Chem-11, Ch-04

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

Solved Exercise, Chem-11, Ch-02

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