Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Calcination Roasting Smelting Reduction Calcination Roasting Smelting Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Margarine is a/an Plasticiser Rocket propellant Fat Explosive Plasticiser Rocket propellant Fat Explosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Removal of dirt/soil by soaps or detergent does not involve the __________ of soil. Dispersion Emulsification Wetting Precipitation Dispersion Emulsification Wetting Precipitation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove All of these Turbidity Bacteria Colour All of these Turbidity Bacteria Colour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ultimate analysis of coal determines its __________ content. Carbon, hydrogen, nitrogen & sulphur Carbon, volatile matter, ash & moisture Carbon, ash, sulphur & nitrogen Carbon, sulphur, volatile matter & ash Carbon, hydrogen, nitrogen & sulphur Carbon, volatile matter, ash & moisture Carbon, ash, sulphur & nitrogen Carbon, sulphur, volatile matter & ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal produces Less of gases compared to liquid products Inferior coke compared to low temperature carbonisation None of these Larger quantity of tar compared to low temperature carbonisation Less of gases compared to liquid products Inferior coke compared to low temperature carbonisation None of these Larger quantity of tar compared to low temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
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