GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Sulphur dioxide
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Carbon monoxide
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Nitrous oxide
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Hydrogen peroxide
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Detailed explanation-1: -Nitrous oxide (N2O) is called “laughing gas” because it has a euphoric effect when inhaled. It has a mildly sweet odor and taste. N2O was first synthesized by J. Priestley in 1772.
Detailed explanation-2: -Nitrous oxide is the chemical name of laughing gas and the chemical formula is N2O.
Detailed explanation-3: -English chemist Joseph Priestley (1733–1804) discovered nitrous oxide in 1772. Later, English chemist Humphry Davy (1778–1829) described its physiological effect on humans, named it nitrous oxide, and nicknamed it laughing gas, after observing people’s reactions to inhaling it during experiments.
Detailed explanation-4: -Nitrous Oxide is a naturally occurring gas that is colorless and non flammable.