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Chemistry

Chemistry
Alum stops bleeding in minor cuts because of

Emulsion
Coagulation
Solvation
Dialysis

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Chemistry
Which one element has the lowest electronegativity value

Fluorine
Francium
Radium
Chlorine

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Chemistry
Which of the following is ozone depleting pesticide ?

D.T.
Ethylene ozonide
Benzene
Methyl bromide

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Chemistry
The ore which is found in abundance in India is

fluorspar
bauxite
monazite
magnetite

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Chemistry
An acid having basicity one is

Sodium dihydrogen phosphate
Sodium phosphate
Phosphoric acid
Disodium hydrogen phosphate

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Chemistry
The gas involved in Bhopal incident was

Methyl chloride
Nitrogen dioxide
Methyl isocyanide
Hydrogen sulphide

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