Chemistry Surface water is a better source of drinking water because it is poor in Arsenic Bacteria Algae Dust Arsenic Bacteria Algae Dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Aniline Acetylene Propylene Ethylene Aniline Acetylene Propylene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Oxygen Hydrogen Sulphide Nitrogen Carbon dioxide Oxygen Hydrogen Sulphide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Experience collision less frequently Have negative charge Are lighter Need less energy to move them Experience collision less frequently Have negative charge Are lighter Need less energy to move them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 1 : 1 : 1 2 : 16 : 1 1 : 16 : 2 2 : 16 : 2 1 : 1 : 1 2 : 16 : 1 1 : 16 : 2 2 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Uranium Geothermal powder Natural gas Coal Uranium Geothermal powder Natural gas Coal ANSWER DOWNLOAD EXAMIANS APP
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