A. Lime, clay and soda ash
B. Sand, lime and soda ash
C. Silica, alumina and clay
D. Silica, alumina and soda ash
Related Mcqs:
- Coloured glass is obtained by mixing of colored salts. Addition of ___________________ oxide is done to impart greenish blue color to the glass?
A. Chromium
B. Arsenic
C. Copper
D. Manganese - Laboratory glass wares which reacts with hydrofluoric acid, are made of the ______________ glass?
A. Lead
B. Borosilicate
C. Soda lime
D. Alkali silicate - ___________________ glass is used for the manufacture of optical glass ?
A. Pyrex
B. Soda
C. Flint
D. Crooke’s - Type of glass used in optical work is the ___________________ glass?
A. Soda-lime
B. Fibre
C. Lead
D. Borosilicate - Commonly used glass is known as the _______________ glass?
A. Flint
B. Hard
C. Pyrex
D. Soda - The type of high refractive index glass used in optical instruments is _____________ glass?
A. Pyrex
B. Flint
C. Crookes
D. None of these - Major component of flint glass is_____________________?
A. Lead oxide
B. Silica
C. Alumina
D. Soda - Shaving soaps are____________________?
A. Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a
lasting property
B. Metallic soaps compounded with frothing agents
C. High free alkali soaps having excess of cane sugar and alcohol
D. None of these - 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 - Main constituents of cotton fiber is__________________?
A. Lignin
B. Cellulose
C. Starch
D. Gelatine
