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Chemistry

Chemistry
Which one of the following has a maximum tendency to form M3 ion ?

As
P
Bi
N

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Chemistry
The heaviest naturally occurring element is:

Mercury
Uranium
Polonium
Thorium

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Chemistry
The gas used in the artificial ripening of fruits is

Acetylene
Butane
Ethane
Methane

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Chemistry
Which of the following is not a donor atom?

Phosphorus
Antimony
Arsenic
Aluminium

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Chemistry
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

6.023 x 1019
1.568 x 103
4.84 x 1017
6.023 x 1023

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Chemistry
Iron filings can be separated from a heterogenous mixture using the technique of :

Sublimation
Sedimentation
Evaporation
Magnetization

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MORE MCQ ON Chemistry

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