Q9 of 30 Page 1

Which one of the following greenhouse gases is a contributor due to incomplete combustion of coal and petroleum?

CO (Carbon monoxide) is the contributor for the release of greenhouse gases due to incomplete combustion of coal and petroleum.

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Unit of electric power may also be expressed as:

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It was found that water from a river was contaminated with Coliform bacteria. Which one of the following pollutants might have got mixed with the water?

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Which of the following reactions is an endothermic reaction?

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Identify the basic salt from the following salts: