IndiaBIX

Chemical Engineering - Chemical Process - Discussion

Discussion Forum : Chemical Process - Section 12 (Q.No. 39)
Chemical Process
39.
Pick out the wrong statement.
Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate.
Glass is decolorised during its manufac-ture by adding antimony oxide, mangnese dioxide or arsenic oxide.
Ordinary glass is represented chemically by Na2O . CaO . 6SiO2.
Red color is imparted to glass by addition of arsenic oxide.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.
PRASURJYA DAS said:   2 years ago
And it's correct Statement is, White color is imparted by the addition of arsenic oxide.
(1)
Pawan Kumar Sharma said:   2 years ago
Copper oxide (Cu2O) , and Selenium (Se) are used for imparting Red colour to the glasses.
Post your comments here:

Your comments will be displayed after verification.

Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers