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Chemistry

Chemistry
Which of the following is a secondary pollutant ?

PAN
NO
SO2
CO

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Chemistry
Stainless steel is an alloy of

Chromium and carbon
Chromium, carbon and iron
Chromium and iron
Carbon and iron

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Chemistry
Carbon footprint can be reduced by

Commuting by public transport
All of these
Recycling waste materials
Using energy efficient appliances

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Chemistry
The gas liberated in the Bhopal gas tragedy was:

Pheynl isocynate
Ethylene
Methyl isocynate
Acetylene

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Chemistry
The iron ore magnetite consists of

Fe2O3
3Fe2O3 .. 3H2O
Fe3OH4
FeCO3

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Chemistry
The elements in the modern Periodic table are arranged according to their

Atomic Weight
Atomic number
Mass number
Neutron number

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MORE MCQ ON Chemistry

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