Chemical Process Pick out the true statement pertaining to water treatment. Slow sand filters can remove colour completely Application of activated carbon reduces the temporary hardness of water Normally, the turbidity is removed by adding a coagulent prior to sedimentation Activated carbon can be used for taste & odour control without subsequent filtration Slow sand filters can remove colour completely Application of activated carbon reduces the temporary hardness of water Normally, the turbidity is removed by adding a coagulent prior to sedimentation Activated carbon can be used for taste & odour control without subsequent filtration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Molecular weights of polymers are in the range of 10² - 10⁷ 10² - 10² 10⁹ - 10¹¹ 10⁵ - 10⁹ 10² - 10⁷ 10² - 10² 10⁹ - 10¹¹ 10⁵ - 10⁹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ of rubber decreases after its vulcanisation. Maximum service temperature Tackiness Resistance to the action of organic solvent Tensile strength Maximum service temperature Tackiness Resistance to the action of organic solvent Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of hydrazine is As a rocket fuel As a disinfectant As fire retardant In water treatment As a rocket fuel As a disinfectant As fire retardant In water treatment ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituent of limestone is Na₂CO₃ CaCO₃ CaSO₄ MgCO₃ Na₂CO₃ CaCO₃ CaSO₄ MgCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flux addition during smelting of ore is done to Separate slag from metal Remove impurities/gangue Enhance rate of reaction Accelerate reduction of ore Separate slag from metal Remove impurities/gangue Enhance rate of reaction Accelerate reduction of ore ANSWER DOWNLOAD EXAMIANS APP
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