Shaving soaps are____________________?

Related Mcqs:

1. Transparent soaps (e.g. Pears) are____________________?

   A. Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and
   finally washed with methylated spirit to achieve transparency
   B. Metallic soaps with frothing agent and free Stearic acid to achieve transparency
   C. Metallic soaps with frothing agent from which glycerine has not been recovered
   D. None of these

2. Removal of dirt/soil by soaps or detergent does not involve the _______________ of soil ?

   A. Emulsification
   B. Dispersion
   C. Precipitation
   D. Wetting

3. Soaps remove dirt by ____________________?

   A. Increasing the surface tension
   B. Decreasing wettability
   C. Supplying hydrophilic group
   D. None of these

4. The major constituents of glass are____________________?

   A. Lime, clay and soda ash
   B. Sand, lime and soda ash
   C. Silica, alumina and clay
   D. Silica, alumina and soda ash

5. Basic oxide is absent in ___________________ glass?

   A. Flint
   B. Pyrex
   C. Quartz
   D. All A, B. & C

6. Plasticisers are added to paints to______________________?

   A. Make it corrosion resistant
   B. Make glossy surface
   C. Give elasticity & prevent cracking of the film
   D. Increase atmospheric oxidation

7. Resistance to fusion of the refractory under a steady rising temperature condition is called ____________________ ?

   A. Spalling
   B. Refractoriness
   C. Both A. & B.
   D. Neither A. nor B.

8. Bromine is used in the preparation of___________________?

   A. Fire extinguishing compounds
   B. Fire proofing agents
   C. Dyes and antiknock compounds
   D. All A , B. and C.

9. Polyvinyl chloride (PVC) is____________________?

   A. A thermosetting material
   B. A condensation polymerisation product
   C. Made by employing emulsion polymerisation
   D. None of these

10. CaO is called__________________?

    A. Quick lime
    B. Slaked lime
    C. Limestone
    D. Calcite