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Chemistry

Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Copper
Zinc
Iron
Aluminium

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Chemistry
Ozone depletion in the stratosphere is mainly caused by

NO
Chlorogluorocarbons
SO2
NO2

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Chemistry
The heat value of combustion of Gasoline is

12600 kJ/kg
47000 kJ/kg
14600 kJ/kg
39400 kJ/kg

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Chemistry
Which one is not a primary greenhouse gases in the Earth's atmosphere

Nitrogen
Ozone
Methane
Carbon dioxide

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Chemistry
Which of the following has the highest lattice energy

RbF
CsF
NaF
KF

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Chemistry
Sea weeds are important source of

Iodine
Chlorine
Iron
Bromine

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