Starting raw material for the manufacture of Maleic anhydride is___________________?

Related Mcqs:

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to___________________?

A. Avoid mechanical weakening of fibre B. Remove lignin by way of crystallisation C. Increase the cellulose content D. None of these...

Solvay process as compared to dual process (i.e. modified Solvay process) ?

A. Can use low grade brine B. Has less corrosion problems C. Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl D. Both B. and C....

Viscose rayon is chemically___________________?

A. Cellulose nitrate B. Regenerated cellulose nitrate C. Cellulose acetate D. Regenerated cellulose acetate...

Refractory bricks having high thermal conductivity is desirable, when it is to be used in the _________________?

A. L.D. converter B. Blast furnace C. Rotary kiln D. Recuperator...

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...