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Chemistry

Chemistry
Brine refers to :

Pure water
Starch water
Salt water
Sweet water

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Chemistry
If we burn graphite,

It will not burn
No residue will be left
Residue will be left
It will change into diamond

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Chemistry
In which of the following states maximum iron ore is found ?

FeS2
Fe3O4
Fe2O3
FeCO3

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Chemistry
Which one is a sublime substance?

Potassium Iodide
Iodine
Table salt
Sugar

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Chemistry
When a lead storage battery is discharged,

SO2 is evolved
Lead is formed
Lead sulphate is consumed
Sulphuric acid is consumed

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Chemistry
A subshell with l=2 can take up

8 electron
5 electron
3 electron
10 electron

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