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Chemistry

Chemistry
Heavy metal pollution of water is caused by:

Acid Plants
Domestic sewage
Paints
Wood burning

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Chemistry
Silver halides are used in photographic plates because they are

Oxidised in air
Totally colourless
Reduced by light
Soluble in hyposolution

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Chemistry
In a Carbonyl group a carbon atom makes double bond with

Oxygen
None of these
Hydrogen
Carbon

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Chemistry
The most abundant inert gas in the atmosphere is

Argon
Helium
Neon
Krypton

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Chemistry
Which one element from below list is liquid at room temperature

Zinc
Bromine
Argon
Lead

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Chemistry
Which of the following is a secondary pollutant ?

PAN
CO
NO
SO2

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MORE MCQ ON Chemistry

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