Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is_________________?

Related Mcqs:

1. Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?

   A. Nylon 66 B. urotropine C. Aniline formaldehyde plastic D. Bakelite...

2. The hydrogenation of phenol in the presence of Ni and heat gives_________________?

   A. cyclohexane B. n – hexane C. 1 – hexanol D. cyclohexanol...

3. Formaldehyde on condensation in the presence of calcium hydroxide: ______________?

   A. Formose  B. Fructose C. Maltose D. Xylose Submitted by: Said wali shah...

4. Which of the following gases when passed through warm dilute solution of H2SO4 in presence of HgSO4 gives acetaldehyde

   A. CH4 B. C2H6 C. C2H4 D. C2H2 Submitted by: Aamir khan Hullio...

5. Heating phenol with Zn will yield_________________?

   A. Benzene B. Benzoic acid C. Phenoxide D. Cyclohexane...

6. Phenol was isolated by Runge from________________?

   A. vegetable oil B. coaltar C. wood D. none of these...

7. When phenol is heated with concentrated nitric acid the product is________________?

   A. Picric acid B. o-nitrophenol C. 1 3 5 -trinitro benzene D. p-nitrophenol...

8. Which of the following is not a use of formaldehyde ?

   A. in silvery mirror B. in making medicine urotropine C. in making throat lozenges D. in making acetic acid...

9. Formalin is ___________ solution of formaldehyde in water?

   A. 10% B. 20% C. 40% D. 60%...

10. Formaldehyde and lactose are combined to produce throat lozenges named as__________________?

    A. formamint B. lactomint C. aldomint D. formalactose...