Chemical Process Concentration of sulphide ores is done usually by Roasting Electro magnetic separation Froth floatation Smelting Roasting Electro magnetic separation Froth floatation Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reaction of an alcohol with organic acid is called the __________ reaction. Neutralisation Saponification Acidification Esterification Neutralisation Saponification Acidification Esterification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved salt Dissolved oxygen Silica Suspended salt Dissolved salt Dissolved oxygen Silica Suspended salt ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of soda ash is Sodium thiosulphate Sodium bicarbonate Potassium carbonate None of these Sodium thiosulphate Sodium bicarbonate Potassium carbonate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fish contains about __________ percent oil. 5 20 10 35 5 20 10 35 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water. SO₂ NH₃ Cl₂ SO₃ SO₂ NH₃ Cl₂ SO₃ ANSWER DOWNLOAD EXAMIANS APP