Search
.Management Sciences
A. Hard glass which is used for making laboratory glass wares is a mixture of sodium
borosilicate and aluminium borosilicate
B. Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or
arsenic oxide
C. Ordinary glass is represented chemically by Na2O . CaO . 6SiO2
D. Red color is imparted to glass by addition of arsenic oxide
Related Mcqs:
- Low purity oxygen is used for____________________?
- A. L.D. steel making B. Cutting and welding of metals C. Medicinal purposes D. Chemical oxidation processes...
- Chloral is used in the manufacture of__________________?
- A. DDT B. BHC C. Parathion D. None of these...
- Alum is commercially produced from___________________?
- A. Gypsum B. Feldspar C. Galena D. Bauxite...
- Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction__________________?
- A. Decreases with decrease of thickness of the flakes B. Increases with the increasing flake size keeping the flake thickness constant C. Increases considerably with the rise of temperature D. Decreases as the moisture content of flakes increases...
- Most commonly used rubber vulcanising agent is___________________?
- A. Sulphur B. Bromine C. Platinum D. Alumina...
Recent Comments