Question
a.
Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate.
b.
Glass is decolorised during its manufac-ture by adding antimony oxide, mangnese 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.
Posted under Basic Chemical Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. Pick out the wrong statement.
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. Finely ground calcium aluminate & silicate is a/an
View solution
Q. The main component of pyrex glass is
View solution
Q. Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove
View solution
Q. __________ is an ore concentrating metallurgical process involving a chemical change.
View solution
Q. Basic oxide is absent in __________ glass.
View solution
Q. Graphite is a/an
View solution
Q. Molasses is the starting material for the production of
View solution
Q. BHC (Benzene hexachloride) is made by the chlorination of benzene
View solution
Q. Diaphragm electrolytic cell as compared to mercury electrolytic cell
View solution
Q. Calcareous & argillaceous materials are used in the manufacture of
View solution
Q. Pick out the wrong statement.
View solution
Q. __________ is used as a flux in the smelting of copper ore like chalcopyrite.
View solution
Q. Hydrogenation of oil does not
View solution
Q. Main constituents of cotton fiber is
View solution
Q. CaCl(OCl) is the chemical formula of
View solution
Q. In an integrated steel plant, NH₃ present in coke oven gas is normally recovered as
View solution
Q. Flexible foam (for mattresses) is usually made of
View solution
Q. Glycerine is a by-product of the __________ industry.
View solution
Q. One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to
View solution
Q. Permanent hardness of water can be removed by
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
