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Chemistry

Chemistry
In which of the following states maximum iron ore is found ?

FeCO3
Fe2O3
FeS2
Fe3O4

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Chemistry
One property of ammonia is

It is a odourless gas
Its aqueous solution turns red litmus blue
It is insoluble in water
It is a yellowish gas

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Chemistry
When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in

Fluorescence
Emission spectra
Raman spectra
Absorption spectra

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Chemistry
Which of the following is a natural dye ?

Alizarin
Aniline blue
Phenolphthalein
Crystal violet

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Chemistry
Alcohol prepared by the distillation of wood is :

Propyl alcohol
Methyl alcohol
Ethyl alcohol
Glycerol

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Chemistry
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

levigation
liquation
leaching
magnetic separation

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MORE MCQ ON Chemistry

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