Chemical Process Use of chlorine in the treatment of sewage Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Aids in flocculation Helps in grease separation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Aids in flocculation Helps in grease separation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Varnish does not contain Pigment Both A & B Neither A nor B Thinner Pigment Both A & B Neither A nor B Thinner ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. None of these Froth floatation Electromagnetic separation Roasting None of these Froth floatation Electromagnetic separation Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of hydrazine is As a rocket fuel In water treatment As a disinfectant As fire retardant As a rocket fuel In water treatment As a disinfectant As fire retardant ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following contains least amount of Nā? Producer gas Water gas (blue gas) Blast furnace ga Coke oven gas Producer gas Water gas (blue gas) Blast furnace ga Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a constituent of coffee? Caffeine Calgon Lignin Nicotine Caffeine Calgon Lignin Nicotine ANSWER DOWNLOAD EXAMIANS APP
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