Chemical Process Starting raw material for the manufacture of maleic anhydride is Neither A nor B Benzene N-butene Either A or B Neither A nor B Benzene N-butene Either A or B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In premitive days, __________ was being manufactured by Leblanc Process. Washing soda Alum Calcium carbide Soda ash Washing soda Alum Calcium carbide Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the main reducing agent during production of iron from iron ore in a blast furnace? CO₂ C CO H₂ CO₂ C CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of H₂S in raw water (to be chlorinated) results in the Increased dosage of chlorine to provide a disinfecting residual in the water Easy removal of its hardness Reduced softening capacity of zeolite None of these Increased dosage of chlorine to provide a disinfecting residual in the water Easy removal of its hardness Reduced softening capacity of zeolite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent. 50 > 30 75 < 10 50 > 30 75 < 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Separation of fresh water from sea water can be done by the __________ operation. Adsorption Absorption Osmosis Reverse osmosis Adsorption Absorption Osmosis Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP
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