Manufacture of phthalic anhydride uses ______________ as a catalyst ?

Related Mcqs:

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at _____________ °C ?

A. 15-30 B. 90-100 C. 250-300 D. < 0...

Phthalic anhydride is used____________________?

A. In making PVC B. As plasticisers C. In insecticides manufacture D. For making nylon-6...

Chrome tanning and vegetable tanning are done for ________________?

A. Light & heavy leather respectively B. Heavy & light leather respectively C. Both light & heavy leather D. Neither light nor heavy leather...

Fusel oil is a/an_________________?

A. Essential oil B. Extract from medicinal herbs C. Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses) D. None of these...

Cellulose percentage in bamboo fibre is about_________________?

A. 10 B. 20 C. 50 D. 85...