Detergent is produced by the sulphonation of dodecyl benzene, which is an ________________ reaction?

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In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed ?

A. Furnace → converter → absorber B. Furnace → evaporator → absorber C. Furnace → converter → evaporator D. Converter → furnace → absorber...

Phenol formaldehyde is produced by condensation polymerisation. It is also known as_____________________?

A. Teflon B. Bakelite C. Polyester D. Nylon-66...

Glauber’s salt is chemically ?

A. Calcium sulphate B. Potassium sulphate C. Potassium chlorate D. None of these...

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?

A. Depithing B. Digestion C. Bleaching D. None of these...

Process conditions in fermentator used for production of penicillin is____________________?

A. 25°C, 2 atm B. 50°C, l0 atm C. 30°C, 200 mm Hg (absolute) D. 90°C, 45 atm...