Chemistry - Section 2
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Welcome to Online General Knowledge section in LearnFrenzy, which is important for all the competitive exams. We have created Some questions related to General Science(Chemistry) !!!
MnO2 is an secondary alloy addition to steel and can make violet coloured glass.
The spontaneous combustion of phosphine is technically used in Holme’s signals.
To separate Organic compounds with the help of Column Chromatographic technique.It is useful methods for the separation and purification of both solids and liquids
A silver plate turn black when a boiled egg is placed on it.
Chromium oxides are also used as a green color in glass making and as a glaze in ceramics.
Crook’s glass contains Cesium Oxides.
The mineral pyrite, or iron pyrite, also known as fool’s gold, is an iron sulfide with the chemical formula FeS2.
ZnO Also called flowers of zinc, philosopher’s wool.
The dangers of zinc phosphide, a poison used to kill gophers and moles, has hit the press.
Cobalt(II) oxide or cobalt monoxide is an inorganic compound that appears as olive-green to red crystals, or as a greyish or black powder