Chemical Process Concentration of sulphide ores is done usually by Froth floatation Electro magnetic separation Smelting Roasting Froth floatation Electro magnetic separation Smelting Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid. Phthalic anhydride Dacron Maleic anhydride Vinyl chloride Phthalic anhydride Dacron Maleic anhydride Vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In an integrated steel plant, NH₃ present in coke oven gas is normally recovered as (NH₄)2SO₄ NH₄Cl Liquid NH₃ (NH₄)2 NO₃ (NH₄)2SO₄ NH₄Cl Liquid NH₃ (NH₄)2 NO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lime and soda ash are added to water to remove Its corrosiveness Bacteria Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium Its corrosiveness Bacteria Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Sulphates Phosphates Bicarbonates Carbonates Sulphates Phosphates Bicarbonates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the Solvay process, the product from the calciner is Dehydrated soda ash Sodium bicarbonate Dense soda ash Light soda ash Dehydrated soda ash Sodium bicarbonate Dense soda ash Light soda ash ANSWER DOWNLOAD EXAMIANS APP