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

Related Mcqs:

1. 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

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

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

3. Formalin is ___________ solution of formaldehyde in water?

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

4. Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?

   A. 60%
   B. 50%
   C. 52%
   D. 8%

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

   A. oxidation
   B. elimination
   C. condensation polymerization
   D. additional polymertization

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

   A. Formose 
   B. Fructose
   C. Maltose
   D. Xylose

   Submitted by: Said wali shah

7. Potential of SHE is considered as__________________?

   A. zero
   B. unity
   C. constant
   D. multiple of 1

8. Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?

   A. Dows process
   B. Friedel & Craft acylation
   C. Friedel & Craft alkylation
   D. Clemmenson reduction

9. Which of the following elements react with steam to produce H2 gas?

   A. Pd
   B. Ni
   C. Sn
   D. All of the above

10. Which of the following will decompose to produce litharge_________________?

    A. Pb2O
    B. Pb3O4
    C. PbO2
    D. All of the above