Rosin soap is added during paper manufacture to None of these Impart resistance to penetration by liquids Impart adhesive properties Improve opacity TRUE ANSWER : ? YOUR ANSWER : ?
In premitive days, __________ was being manufactured by Leblanc Process. Washing soda Soda ash Calcium carbide Alum TRUE ANSWER : ? YOUR ANSWER : ?
In the manufacture of viscose rayon, the raw material used industrially is Bamboo Fine teak wood Bagasse Recalyptious wood TRUE ANSWER : ? YOUR ANSWER : ?
In industrial nomenclature, alcohol means Methyl alcohol Propyl alcohol Ethanol Butyl alcohol TRUE ANSWER : ? YOUR ANSWER : ?
Hydrazine is largely used As a starting material for 'hypo' In printing industry In photographic industry As rocket fuel TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is used as a coagulant in treating turbid water? Ferric sulphate Activated carbon Calcium sulphate Chlorine TRUE ANSWER : ? YOUR ANSWER : ?
Sand and __________ is fused at 1300°C, to produce sodium silicate. Limestone Coke Soda ash Sodium sulphate TRUE ANSWER : ? YOUR ANSWER : ?
Which is the most efficient absorbant for SO₃ out of the following? 78%H₂SO₄ 20% oleum 98%H₂SO₄ 65% oleum TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? Na₂CO₃ None of these H₂ NaHCO₃ TRUE ANSWER : ? YOUR ANSWER : ?