Which of the following substances causes the depletion of...
Which of the following substances causes the depletion of the ozone layer in the atmosphere?
Carbon (IV) oxide
Chlorofluorocarbon
Sulphur (IV) oxide
Hydrocarbons
Correct answer is B
No explanation has been provided for this answer.
Petroleum is a non-renewable source of energy because it ...
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The general formula of an alkyl halide (where X represents the halide) is? ...
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What is the value of n in the following equation? XO-4 +8H + + ne- → X2 + + 4H2O...