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Chemistry

Chemistry
The inert gases are ____ in water

insoluble
sparingly soluble
soluble
None of these

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Chemistry
The lowest layer of earth's atmosphere is

Stratosphere
Ionosphere
Mesosphere
Troposphere

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Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Krypton
Argon
Radon
Helium

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Chemistry
The value of Avogadro Number is

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

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Chemistry
'Atomic theory' of matter was given by

Pascal
Avogadro
Newton
Dalton

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Chemistry
A subshell with l=2 can take up

5 electron
3 electron
10 electron
8 electron

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MORE MCQ ON Chemistry

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