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Chemistry

Chemistry
A subshell with l=2 can take up

5 electron
8 electron
10 electron
3 electron

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Chemistry
What material is used to make electric heater coil ?

Nichrome
Copper
Iron
Silver

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Chemistry
Peroxyacetyl nitrate is a

Vitamin
Secondary pollutant
Acidic dye
Plant hormone

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Chemistry
The heaviest naturally occurring element is:

Polonium
Thorium
Mercury
Uranium

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Chemistry
In which of the following substances all carbon atoms are quaternary in nature ?

Teflon
Graphite
Diamond
Napthalene

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Chemistry
The first metal used by man was

bronze
iron
copper
gold

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MORE MCQ ON Chemistry

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