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CHEMISTRY

Chemistry
Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has

Stable half filled 2p sub level
High nuclear charge
High bond dissociation energy
Smaller atomic radius

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Chemistry
The elements with atomic numbers 9, 17, 35, 53, 85 are all

Noble gases
Light metals
Halogens
Heavy metals

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Chemistry
Which one is the most reactive halogen

Bromine
Fluorine
Chlorine
Iodine

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Chemistry
Who first published the periodic table

Julius Lothar Meyer
Henry Moseley
John Dalton
Dmitri Mendeleev

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Chemistry
The most suitable vessel for storing concentrated sulphuric acid is

Aluminium vessel
Earthen vessel
Glass vessel
Copper vessel

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