A. Bakelite
B. Pumice
C. Corundum
D. Carborundum
Related Mcqs:
- Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about _____________ percent?
A. 75
B. < 10
C. > 30
D. 50 - Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material ?
A. Slag cement
B. Glasses
C. Porcelain/Potteries
D. Teflon - Which of the following is not a raw material used for the manufacture of ordinary glass ?
A. Iron oxide
B. Soda ash
C. Limestone
D. Silica - Which of the following is used as a binding material in soap to improve soap texture ?
A. Rosin
B. Borax
C. Benzyl acetate
D. Sodium carbonate - Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is ______________ percent?
A. 10
B. 50
C. 80
D. 95 - Sizing material is incorporated in paper to___________________?
A. Impart resistance to penetration by liquids
B. Increase its thickness
C. Increase its flexibility & opacity
D. Increase its brightness - Starting material for the production of styrene butadiene rubber (SBR) is________________?
A. Ethyl alcohol
B. Ethylene
C. Both A. & B.
D. Neither A. nor B. - Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of____________________?
A. Trichloroethylene
B. Perchloroethylene
C. Parathion
D. Methanol - In the manufacture of viscose rayon, the raw material used industrially is ____________________?
A. Eucalyptus wood
B. Bamboo
C. Bagasse
D. Fine teak wood - 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.