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Question
Which of the following is a gas released by the usage of petroleum and coal but not poisonous?
Which of the following is a gas released by the usage of petroleum and coal but not poisonous?
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Solution
The correct option is C Carbon dioxide
During burning of fossil fuels (coal and petroleum) carbon monoxide, sulphur dioxide, carbon dioxide and nitrogen oxide are released. But out of these gases, carbon dioxide is non-poisonous. Though an excess concentration of carbon dioxide in atmosphere is not desirable as it is a greenhouse gas but it is not poisonous in nature.
Carbon dioxide
During burning of fossil fuels (coal and petroleum) carbon monoxide, sulphur dioxide, carbon dioxide and nitrogen oxide are released. But out of these gases, carbon dioxide is non-poisonous. Though an excess concentration of carbon dioxide in atmosphere is not desirable as it is a greenhouse gas but it is not poisonous in nature.
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