Chemical Process Pick out the wrong statement pertaining to nitric acid. About 90% of nitric acid is manufactured by Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) Arc process of nitric acid manufacture is economical as compared to Ostwald 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 Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) Arc process of nitric acid manufacture is economical as compared to Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Brackish water which contains mostly dissolved salt, can be purified by the __________ process. Permutit Sand filter Lime soda Reverse osmosis Permutit Sand filter Lime soda Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium chloride content in sea water is about __________ gms/litre. 50 25 2 10 50 25 2 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reaction of calcium carbide with water produces a gas, which is used Neither A nor B Both A & B For metal cutting/welding As an illuminant Neither A nor B Both A & B For metal cutting/welding As an illuminant ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and Hydrochloric acid Hydroflouric acid Phosphoric acid Sulphuric acid Hydrochloric acid Hydroflouric acid Phosphoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc? Sodium tripolyphosphate (STPP) Sodium silicate Sodium borate Caustic soda Sodium tripolyphosphate (STPP) Sodium silicate Sodium borate Caustic soda ANSWER DOWNLOAD EXAMIANS APP
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