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Chemistry

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

Bauxite
Mica
Manganese
Chromite

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Chemistry
The fundamental particles present in the nucleus of an atom are

Electron, proton
Neutron, electron
Neutron, positron
Proton, neutron

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Chemistry
Which one of the following metals is used to galvanise iron ?

Zinc
Lead
Copper
Mercury

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Chemistry
Which of the following acids serves as an electrolyte in a lead storage battery?

Lactic acid
Nitric acid
Sulphuric acid
Hydrochloric acid

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

Uranium
Thorium
Iron
Rhodium

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Chemistry
Bayer's reagent is

Bromine water
Hydrogen peroxide
Acidified potassium permanganate
Alkaline potassium permanganate

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