How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 750°C 1500°C 1000°C 500°C TRUE ANSWER : ? YOUR ANSWER : ?
Grignard reagent is chemically known as Monochloro acetic acid Ethyl magnesium chloride Methyl magnesium chloride Dichlorophenol TRUE ANSWER : ? YOUR ANSWER : ?
Sodium carbonate (soda ash) is not used in the manufacture of Baking powder Sugar Detergents Fire extinguishers TRUE ANSWER : ? YOUR ANSWER : ?
Sulphuric acid saturated with SO₃ is called Sulphurous acid Oleum None of these Concentrated H₂SO₄ TRUE ANSWER : ? YOUR ANSWER : ?
Raw materials used for producing __________ cement does not contain iron oxide. Slag White Pozzolan Waterproof TRUE ANSWER : ? YOUR ANSWER : ?
Which allotrope of sulphur is insoluble in carbon disulphide? Monoclinic sulphur Milk of sulphur Rhombic sulphur Plastic sulphur TRUE ANSWER : ? YOUR ANSWER : ?
Alcohol is produced by the Oxidation of an aldehyde None of these Esterification of a fat Hydrolysis of an ether TRUE ANSWER : ? YOUR ANSWER : ?
Oxygen is produced by fractionation of air using __________ process. Either A or B None of these Claude's Linde's TRUE ANSWER : ? YOUR ANSWER : ?
The ideal pulp for the manufacture of paper should have high __________ content. Both A & B Lignin Cellulose None of these TRUE ANSWER : ? YOUR ANSWER : ?
Celluloid is chemically Cellulose acetate Cellulose acetate butyrate Cellulose nitrate Regenerated cellulose TRUE ANSWER : ? YOUR ANSWER : ?