Chemical Process Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid. Dacron Vinyl chloride Phthalic anhydride Maleic anhydride Dacron Vinyl chloride Phthalic anhydride Maleic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process H₂S is scrubbed from refinery gases by absorption using Tri-butyl phosphate Chilled water Ethanol amine Dilute H₂SO₄ Tri-butyl phosphate Chilled water Ethanol amine Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 1.4 0.14 0.34 0.94 1.4 0.14 0.34 0.94 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chalcopyrite is the main ore of Tin Lead Iron Copper Tin Lead Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pure rectified spirit contains about __________ percent alcohol. 99.5 45 70 95 99.5 45 70 95 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. 1600 8500 4000 800 1600 8500 4000 800 ANSWER DOWNLOAD EXAMIANS APP
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