UPSC Prelims [11]: General Science – Chemistry

Prelims MCQ Topics Plasma State and its uses; Difference between Atomic Number, Atomic Mass and Mass Number, Nuclear Binding Energy, Chemical and Physical Changes, Exothermic and Endothermic Reactions -common examples, Common features of Acids and Bases, pH of common fluids, Isotopes and Allotropes, Periodic table -variation in periods and groups; Common uses of alkali metals […]