Chemistry Aluminium can be purified by Distillation Ozonolysis Electrolysis Oxidation Distillation Ozonolysis Electrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Zinc Antimony Chromium Lead Zinc Antimony Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Increases Remains unchanged Decreases Does not follow a definite pattern Increases Remains unchanged Decreases Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Bleaching powder Borax powder Alum Soda powder Bleaching powder Borax powder Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Phosphorus Oxygen Chlorine Sulphur Phosphorus Oxygen Chlorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
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