Chemistry Where does the oxygen that keeps us alive come from? Water Oxides of minerals Carbonates absorbed from soil Carbon dioxide Water Oxides of minerals Carbonates absorbed from soil Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Teflon Styrofoam Perspex Polystyrene Teflon Styrofoam Perspex Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Bitumen Lignite Peat Anthracite Bitumen Lignite Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Magnesium Sodium Iron Potassium Magnesium Sodium Iron Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Corrosion Sublimation Reduction Galvanisation Corrosion Sublimation Reduction Galvanisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Oil spill Acid rain Carbon dioxide Radioactive waste Oil spill Acid rain Carbon dioxide Radioactive waste ANSWER DOWNLOAD EXAMIANS APP
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