Chemistry Identify the metal which is non toxic in nature. Gold Chromium Cobalt Cadmium Gold Chromium Cobalt Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitric oxide Nitrogen pentoxide Nitrogen dioxide Nitrous oxide Nitric oxide Nitrogen pentoxide Nitrogen dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Carbon di-oxide Carbon monoxide Methane Ethane Carbon di-oxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Carbon monoxide Nitrogen Neon Carbon dioxide Carbon monoxide Nitrogen Neon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Sodium chloride Silver chloride Silver iodide Silver bromide Sodium chloride Silver chloride Silver iodide Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Magnetite Bauxite Haematite Siderite Magnetite Bauxite Haematite Siderite ANSWER DOWNLOAD EXAMIANS APP