Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Froth floatation Roasting None of these Electromagnetic separation Froth floatation Roasting None of these Electromagnetic separation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fermentation of molasses to produce ethyl alcohol is done at __________ °C 20 - 30 250 - 300 100 - 150 < - 5 20 - 30 250 - 300 100 - 150 < - 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrazine (N₂H₄) is used mainly as a/an Detergents additive Rocket fuel None of these Explosive Detergents additive Rocket fuel None of these Explosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is obtained as a by-product in the manufacture of sodium hydroxide using brine. Sodium carbonate Chlorine Sodium bi-carbonate Ammonium chloride Sodium carbonate Chlorine Sodium bi-carbonate Ammonium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Drinking (potable) water treatment does not involve Sedimentation Coagulation Softening Disinfection Sedimentation Coagulation Softening Disinfection ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In premitive days, __________ was being manufactured by Leblanc Process. Soda ash Washing soda Calcium carbide Alum Soda ash Washing soda Calcium carbide Alum ANSWER DOWNLOAD EXAMIANS APP
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