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Chemistry

Chemistry
The value of Avogadro Number is

6.023 × 1025
6.023 × 1024
6.023 × 1023
6.023 × 1022

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Chalcopyrites
Bauxite
Haematite
Calamine

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Chemistry
A subshell with l=2 can take up

10 electron
5 electron
8 electron
3 electron

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Chemistry
The purest form of water is

Distilled water
Tap water
Ground water
Rain water

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Chemistry
Slag is a name given for

Molten iron
Molten calcium silicate
Molten alumina
Molten sand

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Chemistry
Which type of radiations are absorbed by the upper layer of the atmosphere?

Visible
Ultraviolet
Radio-waves
Infrared

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MORE MCQ ON Chemistry

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