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Chemistry

Chemistry
What is the atomic number of mercury

32
80
41
63

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Chemistry
The metal compound commonly found in Sindhoor or Kumkum is based on

Tin
Copper
Lead
Zinc

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Chemistry
The depletion of Ozone layer is mainly due to

Chlorofluorocarbons
Aviation fuels
Volcanic eruptions
Radioactive rays

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Chemistry
Among the following, carbonate ore of Zinc is

Calamine
Zincblende
Zincite
Sphalerite

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Chemistry
Quartz is a crystalline form of

Silica
Limestone
Glass
Alumina

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Chemistry
The non-metal found in the liquid state is

Nitrogen
Bromine
Fluorine
Chlorine

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MORE MCQ ON Chemistry

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