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Chemistry

Chemistry
The apparatus used to test acidity of aqueous solution is

Acidmeter
PH meter
Ammeter
Hygrometer

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Chemistry
The elements with atomic numbers 9, 17, 35, 53, 85 are all

Halogens
Light metals
Noble gases
Heavy metals

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Chemistry
Carborundum is another name of

Calcium carbide
Calcium oxide
Silicon oxide
Silicon carbide

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Chemistry
Petroleum is a mixture of

Elements
Polymers
Salts
Hydrocarbons

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Chemistry
Where does the oxygen that keeps us alive come from?

Oxides of minerals
Water
Carbon dioxide
Carbonates absorbed from soil

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Chemistry
Depletion of ozone layer causes

Blood cancer
Breast cancer
Lung cancer
Skin cancer

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MORE MCQ ON Chemistry

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