Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Zincite Zincblende Sphalerite Calamine Zincite Zincblende Sphalerite Calamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Urea Ammonium nitrate Nitro-lime Ammonium sulphate Urea Ammonium nitrate Nitro-lime Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Alkaline metals Transition metals Hydrogen Carbon Alkaline metals Transition metals Hydrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer PVC Nylon Polythene Polystyrene PVC Nylon Polythene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
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