Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is Dilute H₂SO₄ Oleum None of these Ultraviolet light Dilute H₂SO₄ Oleum None of these Ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of alcohol in beer may be around __________ percent. 2-8 18-23 1-4 27-32 2-8 18-23 1-4 27-32 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol formaldehyde Is a monomer Is an abrasive material Employs condensation polymerisation Employs addition polymerisation Is a monomer Is an abrasive material Employs condensation polymerisation Employs addition polymerisation 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 In the production of soda ash by Solvay process, the by-product is NH₄Cl CaCl₂ NaOH NH₃ NH₄Cl CaCl₂ NaOH NH₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalyst used during the manufacture of 'Vanaspati Ghee' is Copper Nickel Platinum Zinc Copper Nickel Platinum Zinc ANSWER DOWNLOAD EXAMIANS APP
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