Chemical Process High purity nitrogen is used in Neither A nor B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Both A & B Neither A nor B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of Grignard reagent is Sodium bicarbonate Sodium thiosulphate Sodium sulphite Ethyl magnesium chloride Sodium bicarbonate Sodium thiosulphate Sodium sulphite Ethyl magnesium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of liquid nitrogen is in Making gun powder Rocket propulsion Detergent manufacture Refrigerative cooling Making gun powder Rocket propulsion Detergent manufacture Refrigerative cooling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Shrinkage volume in cement setting does not depend upon the Ambient temperature fluctuation Drying period Sand to cement ratio Water to cement ratio Ambient temperature fluctuation Drying period Sand to cement ratio Water to cement ratio ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in water treatment? Chloramine Chlorine Ferrous sulphate Hydrogen peroxide Chloramine Chlorine Ferrous sulphate Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. About 90% of nitric acid is manufactured by Ostwald Arc process of nitric acid manufacture is economical as compared to Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) It is a strong mono basic acid which reacts with almost all the metals except noble metals About 90% of nitric acid is manufactured by Ostwald Arc process of nitric acid manufacture is economical as compared to Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) It is a strong mono basic acid which reacts with almost all the metals except noble metals ANSWER DOWNLOAD EXAMIANS APP
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