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Chemistry

Chemistry
Which one is the most reactive gaseous element

Chlorine
Iodine
Flourine
Bromine

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

Diamond
Graphite
Teflon
Napthalene

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Chemistry
Which is the purest form of iron?

Pig iron
Steel
Cast iron
Wrought iron

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Chemistry
In the periodic table of elements, on moving from left to right across a period, the atomic radius

Increases
Remains unchanged
Does not follow a definite pattern
Decreases

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Chemistry
The orientation of an atomic orbital is governed by

Spin quantum number
Magnetic quantum number
Azimuthal quantum number
Principal quantum number

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Chemistry
The gas produced in marshy places due to decomposition of vegetation is

Carbon monoxide
Methane
Sulphur dioxide
Carbon dioxide

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MORE MCQ ON Chemistry

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