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Chemistry

Chemistry
Muscle fatigue is caused by the accumulation of :

Pyruvic acid
Oxalacetic acid
Lactic acid
Uric acid

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Chemistry
Which one element has the lowest electronegativity value

Francium
Fluorine
Radium
Chlorine

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Chemistry
The heaviest naturally occurring element is:

Polonium
Mercury
Uranium
Thorium

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Chemistry
Heavy metal pollution of water is caused by:

Wood burning
Paints
Acid Plants
Domestic sewage

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Chemistry
The most abundant constituent of atmospheric air is :

Hydrogen
Oxygen
Nitrogen
Carbon

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Chemistry
Persons working in cement plants and lime stone quarries are prone to disease like

Pneumoconiosis
Cancer
Asthma
Silicosis

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MORE MCQ ON Chemistry

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