Chemical Process Viscose rayon None of these Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot yield textile grade fibre Cannot be made from sulphite pulp None of these Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot yield textile grade fibre Cannot be made from sulphite pulp ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 800 4000 1600 8500 800 4000 1600 8500 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. About 90% of nitric acid is manufactured by Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals 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 About 90% of nitric acid is manufactured by Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process H₂S is scrubbed from refinery gases by absorption using Dilute H₂SO₄ Ethanol amine Tri-butyl phosphate Chilled water Dilute H₂SO₄ Ethanol amine Tri-butyl phosphate Chilled water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ glass is used for the manufacture of optical glass. Flint Crooke's Soda Pyrex Flint Crooke's Soda Pyrex ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethanol amine is produced using ammonia and Ethyl benzene Ethanol Ethylene oxide Ethane Ethyl benzene Ethanol Ethylene oxide Ethane ANSWER DOWNLOAD EXAMIANS APP
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