Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Cadmium Copper Lead Chromium Cadmium Copper Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Recycling waste materials Commuting by public transport All of these Using energy efficient appliances Recycling waste materials Commuting by public transport All of these Using energy efficient appliances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chloroform can be used as Antibiotic Antimalarial Anaesthetic Analgesic Antibiotic Antimalarial Anaesthetic Analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization is the : Deposition of aluminium on iron Deposition of zinc on iron Deposition of copper on iron Deposition of tin on iron Deposition of aluminium on iron Deposition of zinc on iron Deposition of copper on iron Deposition of tin on iron ANSWER DOWNLOAD EXAMIANS APP