Chemistry Combustion of a candle is a/an Exothermic reaction Physical change Photochemical reaction Endothermic reaction Exothermic reaction Physical change Photochemical reaction Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Does not follow a definite pattern Decreases Remains unchanged Increases Does not follow a definite pattern Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond Longer Of same lenght Shorter None of these Longer Of same lenght Shorter None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbohydrates Carbonates Hydrocarbons Carbides Carbohydrates Carbonates Hydrocarbons Carbides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Carbon dioxide Carbon monoxide Nitrogen Neon Carbon dioxide Carbon monoxide Nitrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The degree of dissociation of an electrolyte depends on Impurities Dilution Atmospheric pressure Method of dissolution Impurities Dilution Atmospheric pressure Method of dissolution ANSWER DOWNLOAD EXAMIANS APP