Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Bicarbonates Carbonates Sulphates Phosphates Bicarbonates Carbonates Sulphates Phosphates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Fermentation of starch Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrocynic acid (HCN) is used as an insecticide for Controlling poultry lice Potato beetle Citrus fruits Controlling timber degradation by ants Controlling poultry lice Potato beetle Citrus fruits Controlling timber degradation by ants ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not produced on commercial scale from sea water? Magnesium compounds Sodium sulphate Bromine Potassium compounds Magnesium compounds Sodium sulphate Bromine Potassium compounds ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrazine is largely used In photographic industry As a starting material for 'hypo' As rocket fuel In printing industry In photographic industry As a starting material for 'hypo' As rocket fuel In printing industry ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nicotine is A volatile alkaloid Neither A nor B Obtained by treating by-products of the tobacco processing industry Both A and B A volatile alkaloid Neither A nor B Obtained by treating by-products of the tobacco processing industry Both A and B ANSWER DOWNLOAD EXAMIANS APP
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