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Chemistry

Chemistry
Philosopher’s Wool is

Zinc oxide
Zinc sulphate
Zinc carbonate
Zinc blende

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Chemistry
'Vinegar' is a commercial name of

Acetic acid
Hydrochloric acid
Citric acid
Oxalic acid

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Chemistry
Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure

Lead
Bromine
Barium
Magnesium

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

Light metals
Heavy metals
Halogens
Noble gases

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Chemistry
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful

Solar infrared radiation
CO2 in the air
SO2 in the air
Solar ultraviolet radiation

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Chemistry
Who first published the periodic table

Henry Moseley
Dmitri Mendeleev
Julius Lothar Meyer
John Dalton

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MORE MCQ ON Chemistry

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