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Chemistry

Chemistry
Chemical formula of washing soda is

NaHCO3
Na2SO4.10H2O
Ca(OH)2
Na2CO3.10H2O

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Chemistry
The major constituent of air is

hydrogen
carbon dioxide
oxygen
nitrogen

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Chemistry
Which one is a naturally occuring noble gas

Sodium
Potassium
Argon
Boron

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Chemistry
Two elements which can form a large number of compounds are

Carbon and Oxygen
Carbon and Nitrogen
Carbon and Sulphur
Carbon and Hydrogen

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Chemistry
The National Chemical Laboratory is situated in

Bangalore
Patna
New Delhi
Pune

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Chemistry
The degree of dissociation of an electrolyte depends on

Impurities
Atmospheric pressure
Dilution
Method of dissolution

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MORE MCQ ON Chemistry

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