Chemistry What is the most common salt in sea water ? Potassium chloride Sodium chloride Calcium carbonate Magnesium sulphate Potassium chloride Sodium chloride Calcium carbonate Magnesium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Oxidation Adsorption Bleaching Reduction Oxidation Adsorption Bleaching Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pt Pb W Os Pt Pb W Os ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain free electrons The molecules in them collide very freely They contain reflecting surface The molecules in them are very close to each other They contain free electrons The molecules in them collide very freely They contain reflecting surface The molecules in them are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Copper Gold Sodium Silver Copper Gold Sodium Silver ANSWER DOWNLOAD EXAMIANS APP
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