Chemistry Of the following, which one pollutes the air of a big city ? Lead Cadmium Copper Chromium Lead Cadmium Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most volatile of the given liquids is Liquid NH3 Liquid He Ether Liquid Liquid NH3 Liquid He Ether Liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Hydrophobic colloid Extrinsic colloid Associated colloid Hydrophilic colloid Hydrophobic colloid Extrinsic colloid Associated colloid Hydrophilic colloid ANSWER DOWNLOAD EXAMIANS APP