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Chemistry

Chemistry
Silica gel is a

Moisturizer
Delicious food
Drying agent
Flavouring agent

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Chemistry
Total number of halogen elements found in the periodic table is

5
13
3
8

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Chemistry
Ethylene is a ________ molecule.

Polar
Nonpolar
Ionic
Covalent

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Chemistry
Antacids are found in drugs that give relief to

Stomach ache
Acne
Headache
Eye sight

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Chemistry
In chemical terms, what are alums used for purifying water for drinking purposes ?

Double sulphates
Hydrated chlorides
Double nitrate
Nitrates of aluminium

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Chemistry
The depletion of Ozone layer is mainly due to

Volcanic eruptions
Chlorofluorocarbons
Aviation fuels
Radioactive rays

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