Chemistry The most important ore of lead is Magnetite Galena Pyrolusite Siderite Magnetite Galena Pyrolusite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry 1 carat of diamond is equal to 100 g 100 mg 200 g 200 mg 100 g 100 mg 200 g 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Disinfect the sewage Remove suspended solids Remove water content Aerate the sewage Disinfect the sewage Remove suspended solids Remove water content Aerate the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Silicon Graphite Sodium Phosphorus Silicon Graphite Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Oxygen Nitrous oxide Nitrogen dioxide Coloured impurities Oxygen Nitrous oxide Nitrogen dioxide Coloured impurities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Chromium Lead Cadmium Copper Chromium Lead Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
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