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Chemistry

Chemistry
Which of the following is biodegradable ?

D.T.
Paper
Plastic
Aluminium

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Chemistry
Two electrons in an orbital are differentiated by which of the following ?

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

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Chemistry
Muscle fatigue is caused by the accumulation of :

Pyruvic acid
Lactic acid
Oxalacetic acid
Uric acid

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Chemistry
The heaviest naturally occurring element is:

Mercury
Uranium
Polonium
Thorium

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Chemistry
Ruby and sapphire are oxides of

Iron
Aluminium
Copper
Tin

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Chemistry
The amount of chlorine available in water after disinfection is called as

Free available chlorine
Free chlorine
Residual chlorine
Combined available chlorine

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MORE MCQ ON Chemistry

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