Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 78%H₂SO₄ 98%H₂SO₄ 65% oleum 20% oleum 78%H₂SO₄ 98%H₂SO₄ 65% oleum 20% oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT is Silica 20% oleum Alumina Aluminium chloride Silica 20% oleum Alumina Aluminium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting raw material for the manufacture of alum is Ammonium bicarbonate Alumina Bauxite Gypsum Ammonium bicarbonate Alumina Bauxite Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance. Pyrex Potash Flint Soda Pyrex Potash Flint Soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chloramines are used in water treatment for Corrosion control Removing turbidity Control of bacteria Disinfection and control of taste & odour Corrosion control Removing turbidity Control of bacteria Disinfection and control of taste & odour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. Aeration of water is effective in CO₂ removal The zeolite water softening process reduces the hardness of water by not more than 50% Sodium sulphate or sodium carbonate do not cause hardness in water Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal The zeolite water softening process reduces the hardness of water by not more than 50% Sodium sulphate or sodium carbonate do not cause hardness in water Water with pH value less than 7, is acidic ANSWER DOWNLOAD EXAMIANS APP