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Chemistry

Chemistry
Atoms of same element having different mass numbers are called________

Isomers
Isobars
Isotopes
Isotones

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Chemistry
In electro-refining, the pure metal is deposited on

Electrolyte
Anode
Cathode
Vessel

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Chemistry
Black lung disease occurs in people working in

Organic solvents industry
Electroplating industry
Paint manufacturing industry
Coal mines

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Chemistry
Which of the following is secondary air pollutant ?

Dust particles
NO2
Photochemical smog
SO2

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Chemistry
Formic acid is produced by

Cockroaches
White ants
Mosquitoes
Red ants

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Chemistry
The metal used to galvanise iron to protect it from rusting is

Zinc
Chromium
Antimony
Lead

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