Phthalic anhydride is made by the ______________________?

Related Mcqs:

1. Phthalic anhydride is used____________________?

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

2. Manufacture of phthalic anhydride uses ______________ as a catalyst ?

   A. Ni B. Cr C. V2O5 D. Al2O3...

3. Oxidation of ortho-xylene in presence of ______________ catalyst is done to produce phthalic anhydride on commercial scale ?

   A. Nickel B. Vanadium C. Alumina D. Iron...

4. Phthalic anhydride is produced by the oxidation of _________________?

   A. Naphthalene B. Benzene C. Toluene D. Aniline...

5. Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________?

   A. V2O5 B. Pt C. Ni D. Cr...

6. Maleic anhydride is produced by catalytic oxidation of____________________?

   A. Toluene B. Ethyl alcohol C. Naphthalene D. Benzene...

7. Starting raw material for the manufacture of Maleic anhydride is___________________?

   A. n-butene B. Benzene C. Either A. or B. D. Neither A. nor B....

8. Commercially ethylene is produced from naphtha by ______________________?

   A. Catalytic cracking B. Catalytic dehydrogenation C. Pyrolysis D. Hydrocracking...

9. Function of thinner in a paint is to ______________________ ?

   A. Accelerate the oxidation of oil B. Prevent gelling of the paint C. Suspend pigments & dissolve film forming materials D. Form a protective film...

10. A good quality coal should have ______________________?

    A. Low fusion point of ash B. High ash content C. High sulphur content D. None of these...