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Chemistry

Chemistry
Which one is heaviest naturally-occurring element of the periodic element

Iron
Rhodium
Uranium
Thorium

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Chemistry
Hard steel contains

0.01 to 0.04 per cent carbon
2 to 5 per cent carbon
0.5 to 1.5 per cent carbon
0.1 to 0.4 per cent carbon

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Chemistry
L.P.G. is mostly liquefied

Hydrogen
Oxygen
Methane
Butane

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Chemistry
Which among the following metals provides amphoteric oxide ?

Sodium
Calcium
Silver
Aluminium

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Chemistry
This group of alumino-silicate minerals is widely used in making electrical insulators

Manganese
Chromite
Bauxite
Mica

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Chemistry
Emulsifier is an agent which

Homogenizes the emulsion
Stabilizes an emulsion
Accelerates the dispersion
Aids the flocculation of emulsion

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MORE MCQ ON Chemistry

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