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Chemistry

Chemistry
Which one element has the highest electronegativity value

Lithium
Nitrogen
Fluorine
Chlorine

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Chemistry
Which of the following does the Nucleus of an atom consist of?

Protons and electrons
Protons and neutrons
Protons
Electrons

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Chemistry
Which halide is used in making sensitive emulsion on photograhic film?

Silver bromide
Silver iodide
Silver chloride
Sodium chloride

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Chemistry
In a Carbonyl group a carbon atom makes double bond with

Oxygen
None of these
Hydrogen
Carbon

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Chemistry
The greenhouse effect is caused by the higher level of which gas in the atmosphere ?

Carbon dioxide
Sulphur dioxide
Carbon monoxide
Nitrous oxide

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Chemistry
Yellow Cake' an item of smuggling across border is

Unreformed gold
A crude from of heroin
A crude from of cocaine
Uranium oxide

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