Chemical Process Raw materials for 'Solvay Process' for manufacture of the soda ash are Ammonia, salt and limestone None of these Salt, limestone and coke or gas Ammonia limestone and coke Ammonia, salt and limestone None of these Salt, limestone and coke or gas Ammonia limestone and coke ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The process used for the manufacture of ethyl alcohol from molasses is Dehydration None of these Distillation Dehydrogenation Dehydration None of these Distillation Dehydrogenation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Separation of fresh water from sea water can be done by the __________ operation. Absorption Osmosis Adsorption Reverse osmosis Absorption Osmosis Adsorption Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Systemic insecticides Are absorbed throughout the plant Are stomach poisons Emit poisonous vapour Kill insects following external bodily contact Are absorbed throughout the plant Are stomach poisons Emit poisonous vapour Kill insects following external bodily contact ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Reduction Calcination Smelting Roasting Reduction Calcination Smelting Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C. -218 -196 -83 -183 -218 -196 -83 -183 ANSWER DOWNLOAD EXAMIANS APP
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