Chemistry Combustion of a candle is a/an Photochemical reaction Physical change Exothermic reaction Endothermic reaction Photochemical reaction Physical change Exothermic reaction Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a derivative of barbituric acid Veronal Amytal Equanil Nembutal Veronal Amytal Equanil Nembutal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Acetylene Styrene Ethylene Methane Acetylene Styrene Ethylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate boiling distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 36 19 17 53 36 19 17 53 ANSWER DOWNLOAD EXAMIANS APP