Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Hydrolysis Oxidation Ozonolysis Hydrogenation Hydrolysis Oxidation Ozonolysis Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Isobutane Butane Carbon dioxide Methane Isobutane Butane Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Silver Sodium Calcium Aluminium Silver Sodium Calcium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Sulphuric acid Formic acid Carbonic acid Acetic acid Sulphuric acid Formic acid Carbonic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Aluminium Silver Copper Zinc Aluminium Silver Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Oxygen Nitrogen Carbondioxide Sulphurdioxide Oxygen Nitrogen Carbondioxide Sulphurdioxide ANSWER DOWNLOAD EXAMIANS APP
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