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Chemistry

Chemistry
Sweat contains water and ________

Citric acid
Salt
Lactic acid
Vinegar

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Chemistry
Which one is the naturally occuring heaviest element

Uranium
Thorium
Protactinium
Mercury

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Chemistry
When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called

Smog
Green house effect
None of these
Eutrophication

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Chemistry
In deep-sea diving, divers use a mixture of gases consisting of oxygen and

Argon
Hydrogen
Helium
Nitrogen

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Chemistry
When ice cubes are made, the entropy of water

Increases
May either increase or decrease depending on the process used
Does not change
Decreases

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Chemistry
Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called

Mists
Fumes
Smoke
Aerosols

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MORE MCQ ON Chemistry

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