Chemistry The chief source of naphthalene is Charcoal Coal-tar Diesel Camphor Charcoal Coal-tar Diesel Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Thorium Zinc Plutonium Radium Thorium Zinc Plutonium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Cobalt Chromium Copper Cadmium Cobalt Chromium Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Electrons Positrons Neutrons Protons Electrons Positrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Detergents give lather even with hard water Detergents could not give much lather Soaps give lather with only soft water Detergents are soluble in water Detergents give lather even with hard water Detergents could not give much lather Soaps give lather with only soft water Detergents are soluble in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Urea Lactic acid Glucose Uric acid Urea Lactic acid Glucose Uric acid ANSWER DOWNLOAD EXAMIANS APP