Chemistry Combustion of a candle is a/an Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Graphite Brass Steel Glass Graphite Brass Steel Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Both A and B Homogeneous Heterogeneous Pure substance Both A and B Homogeneous Heterogeneous Pure substance ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? More energy is released than is absorbed Energy is always absorbed Energy in always released Energy is neither released nor absorbed More energy is released than is absorbed Energy is always absorbed Energy in always released Energy is neither released nor absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains Lot of moisture High concentration of salt Hard rocks None of these Lot of moisture High concentration of salt Hard rocks None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Copper and nickel Copper and chromium Chromium and nickel Manganese and copper Copper and nickel Copper and chromium Chromium and nickel Manganese and copper ANSWER DOWNLOAD EXAMIANS APP