Chemistry The purest form of water in nature is Rain water Lake water Sea water River water Rain water Lake water Sea water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Free radical Carbocation Carbanion Carbene Free radical Carbocation Carbanion Carbene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? S Na Ag P S Na Ag P ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Zone refining Roasting Oxidation Electrolysis Zone refining Roasting Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Potassium sulphate Zinc sulphate Sodium sulphate Lead Sulphate Potassium sulphate Zinc sulphate Sodium sulphate Lead Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Carbon monoxide Carbon dioxide Nitrous oxide Sulphur dioxide Carbon monoxide Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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