Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Adsorption Bleaching Reduction Oxidation Adsorption Bleaching Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Sulphur Silicon Phosphorous Magnesium Sulphur Silicon Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methylene blue Methyl orange Phenolphthaline Methyl red Methylene blue Methyl orange Phenolphthaline Methyl red ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is None of these Hydro-electricity Diamond Uranium None of these Hydro-electricity Diamond Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Pure Water H2SO4 Sodium Carbonate HCl Pure Water H2SO4 Sodium Carbonate HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.727 0.305 0.658 0.509 0.727 0.305 0.658 0.509 ANSWER DOWNLOAD EXAMIANS APP
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