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Chemistry

Chemistry
The iron ore magnetite consists of

3Fe2O3 .. 3H2O
Fe3OH4
FeCO3
Fe2O3

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Chemistry
Molasses a by-product in the manufacture of sugar, is converted into

Paper
Alcohol
Pulp
Fuel

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Chemistry
Ultra purification of a metal is done by :

Slugging
Leaching
Zone melting
Smelting

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Chemistry
The element with highest first ionisation energy is

Helium
Hydrogen
Lithium
Sodium

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Chemistry
The Refrigerant 'FREON' is

Hydrofluosilicic Acid
Fluorspar and Felspar
Difluoro Dichloro Methane
Calcium Tetra Fluoride

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Chemistry
Total number of elements in the Periodic table

118
115
112
127

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MORE MCQ ON Chemistry

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