Chemistry Laughing gas is Nitrous oxide Nitrogen trioxide Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen trioxide Nitric oxide Nitrogen pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Copper and tin Lead and antimony Copper and zinc Lead and tin Copper and tin Lead and antimony Copper and zinc Lead and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Cathode Vessel Anode Electrolyte Cathode Vessel Anode Electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Cotton Nylon Rayon Terricot Cotton Nylon Rayon Terricot ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Disinfectant Coagulant Antibiotic Antiseptic Disinfectant Coagulant Antibiotic Antiseptic ANSWER DOWNLOAD EXAMIANS APP