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Chemistry

Chemistry
Silica gel is a

Drying agent
Delicious food
Moisturizer
Flavouring agent

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

Mists
Smoke
Fumes
Aerosols

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Chemistry
In drinking water supply, which of the following treatments is not involved

Coagulation
Sedimentation
Softening
Disinfection

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Chemistry
Which one is the most reactive gaseous element

Iodine
Flourine
Chlorine
Bromine

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Chemistry
The non-metal found in the liquid state is

Chlorine
Bromine
Fluorine
Nitrogen

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Chemistry
The metal that is usually extracted from sea water is

Mg
Na
Ca
K

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