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Chemistry

Chemistry
The gas which turns into liquid at the lowest temperature among the following is

Oxygen
Helium
Hydrogen
Nitrogen

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Chemistry
Muscle fatigue is caused by the accumulation of :

Uric acid
Pyruvic acid
Lactic acid
Oxalacetic acid

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Chemistry
The orientation of an atomic orbital is governed by

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

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Chemistry
Methanoic and ethanoic acids can be distinguished by the action of

NaOH
Tollen's reagent
SOCl2
NaHCO3

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Chemistry
Inert gases are

Miscible with water
Not stable
Chemically unreactive
Chemically very active

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Chemistry
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

leaching
liquation
levigation
magnetic separation

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