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Chemistry

Chemistry
Which one is the lightest element in the periodic table

Helium
Hydrogen
Carbon
Oxygen

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Chemistry
Among the following, carbonate ore of Zinc is

Calamine
Zincblende
Sphalerite
Zincite

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Chemistry
Which one of the following elements is used in the manufacture of fertilizers ?

Aluminium
Lead
Potassium
Fluorine

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Chemistry
The most important ore of lead is

Siderite
Pyrolusite
Magnetite
Galena

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Chemistry
Isobars are lines joining places having equal

Rainfall
Pressure
Height above sea-level
Population

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Chemistry
In electro-refining, the pure metal is deposited on

Cathode
Electrolyte
Anode
Vessel

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MORE MCQ ON Chemistry

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