Chemical Engineering :: Chemical Process
- Ultimate analysis of coal determines its __________ content.
- A substance produced by a living organism and capable of anti-microbial activity is called a/an
- Pick out the wrong statement.
- Hydrogenation of oil/fat does not
- Builders are added in soap to act as
- Sucrose is a disaccharide consisting of
- __________ is an ore concentrating metallurgical process involving a chemical change.
- Hydrodenation of vegetable oils is a/an __________ reaction.
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A.
Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate |
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B.
Glass is decolorised during its manufac-ture by adding antimony oxide, mangnese dioxide or arsenic oxide |
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C.
Ordinary glass is represented chemically by Na₂O . CaO . 6SiO₂ |
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D.
Red color is imparted to glass by addition of arsenic oxide |