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Chemistry

Chemistry
Forth floatation process to concentrate the minerals is applicable to

Haematite
Bauxite
Chalcopyrites
Calamine

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Chemistry
Which one of the following has greatest mass ?

Hydrogen nucleus
Electron
Proton
Neutron

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Chemistry
In a period from Li to F, ionisation potential

Remains same
Increases
Cannot be predicted
Decreases

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Chemistry
The value of Avogadro Number is

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

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Chemistry
London smog is found in

Summer during morning time
Winter during morning time
Winter during day time
Summer during day time

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Chemistry
The oil used in the froth floatation process is

kerosene oil
pine oil
coconut oil
olive oil

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MORE MCQ ON Chemistry

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