Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon Monoxide Methane Ozone gas Carbon dioxide Carbon Monoxide Methane Ozone gas Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Silver Aluminium Zinc Copper Silver Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Cryolite Bauxite Fluorspar Haematite Cryolite Bauxite Fluorspar Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Fe Ti Ni Pb Fe Ti Ni Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Molten tin Solid zinc Molten zinc Gaseous zinc Molten tin Solid zinc Molten zinc Gaseous zinc ANSWER DOWNLOAD EXAMIANS APP