Chemistry Combustion of a candle is a/an Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same or opposite spin Same spin No spin Opposite spin Same or opposite spin Same spin No spin Opposite spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Urea Ammonium sulphate Superphosphate Ammonium nitrate Urea Ammonium sulphate Superphosphate Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Terylene Tollen's Nylon 66 Bakelite Terylene Tollen's Nylon 66 Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon monoxide Oxides of sulphur Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur Oxides of nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Indane gas is mixture of Butane and propane Butane and oxygen Methane and oxygen Butane and hydrogen Butane and propane Butane and oxygen Methane and oxygen Butane and hydrogen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS