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Chemistry

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

Chromite
Mica
Manganese
Bauxite

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Chemistry
When a bond is formed between two atoms, the energy of the system will

Increase
May increase or decrease
Decrease
Remain the same

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Chemistry
Two electrons in an orbital are differentiated by which of the following ?

Azimuthal quantum number
Spin quantum number
Magnetic quantum number
Principal quantum number

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Chemistry
The substance that is added to make natural rubber strong and more bouncy is

Sponge
Sulphur
Polythene
Chlorine

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Chemistry
The chemical name of quartz is

Calcium oxide
Sodium phosphate
Sodium silicate
Calcium phosphate

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Chemistry
The chemical used in embalming biological materials is

Formaldehyde in water
Gaseous formaldehyde
Formaldehyde in methanol
Ethylene glycol

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