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Chemistry

Chemistry
Ozone depletion in the stratosphere is mainly caused by

Chlorogluorocarbons
NO2
SO2
NO

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

Anode
Electrolyte
Cathode
Vessel

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Chemistry
The heat value of combustion of Gasoline is

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

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Chemistry
Chernobyl disaster is the result of pollution by

Oil spill
Carbon dioxide
Acid rain
Radioactive waste

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Chemistry
Isobars are lines joining places having equal

Height above sea-level
Pressure
Population
Rainfall

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Chemistry
The weight of 6.023 × 1022 atoms of carbon is

1.2 gms
0.12 gms
120 gms
12 gms

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MORE MCQ ON Chemistry

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