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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
The gases which cause acid rain are
पर्याय
sulphur dioxide and oxygen
nitrogen and oxygen
carbon dioxide and water vapour
nitrogen dioxide and sulphur dioxide
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उत्तर
nitrogen dioxide and sulphur dioxide
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संबंधित प्रश्न
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_____________ discovered the oxygen gas.
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Tick (√) the correct alternative from the choice given for the following statement.
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