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Chemistry

Chemistry
Copper is refined by

Oxidation
Zone refining
Roasting
Electrolysis

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Chemistry
Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

CO2
All of these
CO
O3

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Chemistry
‘Aerosol’ is known as

Microbes, present in air
Pollutant gas, present in air
Suspended solid particles in air
Green house gas present in air

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Chemistry
The common name for the compound having formal NaOH is

Caustic soda
Sodium hydroxide
Soda ash
Caustic potash

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Chemistry
Who developed Hydrogen Bomb?

Samuel Cohen
J. Robert Oppen Heimer
Edward Teller
Wernher Von Braun

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Chemistry
Which one of the following is found in kidney stones?

Calcium acetate
Sodium oxalate
Calcium oxalate
Sodium chloride

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MORE MCQ ON Chemistry

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