Laughing gas is:

[<a href=”https://exam.pscnotes.com/73552“>a>amp_mcq<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>option1<a href=”https://exam.pscnotes.com/73552“>a>=”<a href=”https://exam.pscnotes.com/73552“>a>Nitrogen<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>dioxide<a href=”https://exam.pscnotes.com/73552“>a>” <a href=”https://exam.pscnotes.com/73552“>a>option2<a href=”https://exam.pscnotes.com/73552“>a>=”<a href=”https://exam.pscnotes.com/73552“>a>Dinitrogen<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>tetraoxide<a href=”https://exam.pscnotes.com/73552“>a>” <a href=”https://exam.pscnotes.com/73552“>a>option3<a href=”https://exam.pscnotes.com/73552“>a>=”<a href=”https://exam.pscnotes.com/73552“>a>Carbon<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>dioxide<a href=”https://exam.pscnotes.com/73552“>a>” <a href=”https://exam.pscnotes.com/73552“>a>option4<a href=”https://exam.pscnotes.com/73552“>a>=”<a href=”https://exam.pscnotes.com/73552“>a>Nitrous<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>oxide<a href=”https://exam.pscnotes.com/73552“>a> ” <a href=”https://exam.pscnotes.com/73552“>a>correct<a href=”https://exam.pscnotes.com/73552“>a>=”<a href=”https://exam.pscnotes.com/73552“>a>option4<a href=”https://exam.pscnotes.com/73552“>a>”]<<a href=”https://exam.pscnotes.com/73552“>a>p<a href=”https://exam.pscnotes.com/73552“>a>><a href=”https://exam.pscnotes.com/73552“>a>The<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>correct<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>answer<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> (<a href=”https://exam.pscnotes.com/73552“>a>d<a href=”https://exam.pscnotes.com/73552“>a>). <a href=”https://exam.pscnotes.com/73552“>a>Nitrous<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>oxide<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>also<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>known<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>as<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>laughing<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>gas<a href=”https://exam.pscnotes.com/73552“>a>. <a href=”https://exam.pscnotes.com/73552“>a>It<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>colorless<a href=”https://exam.pscnotes.com/73552“>a>, <a href=”https://exam.pscnotes.com/73552“>a>odorless<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>gas<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>that<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>used<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>as<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>an<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>anesthetic<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>and<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>analgesic<a href=”https://exam.pscnotes.com/73552“>a>. <a href=”https://exam.pscnotes.com/73552“>a>It<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>also<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>used<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>as<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>propellant<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>in<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>whipped<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>cream<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>cans<a href=”https://exam.pscnotes.com/73552“>a>.<a href=”https://exam.pscnotes.com/73552“>a>p<a href=”https://exam.pscnotes.com/73552“>a>>
<<a href=”https://exam.pscnotes.com/73552“>a>p<a href=”https://exam.pscnotes.com/73552“>a>><a href=”https://exam.pscnotes.com/73552“>a>Nitrogen<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>dioxide<a href=”https://exam.pscnotes.com/73552“>a> (<a href=”https://exam.pscnotes.com/73552“>a>NO2<a href=”https://exam.pscnotes.com/73552“>a>) <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>reddish<a href=”https://exam.pscnotes.com/73552“>a><<a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>href<a href=”https://exam.pscnotes.com/73552“>a>=”<a href=”https://exam.pscnotes.com/73552“>a>https<a href=”https://exam.pscnotes.com/73552“>a>://<a href=”https://exam.pscnotes.com/73552“>a>exam<a href=”https://exam.pscnotes.com/73552“>a>.<a href=”https://exam.pscnotes.com/73552“>a>pscnotes<a href=”https://exam.pscnotes.com/73552“>a>.<a href=”https://exam.pscnotes.com/73552“>a>com<a href=”https://exam.pscnotes.com/73552“>a>/<a href=”https://exam.pscnotes.com/73552“>a>4873<a href=”https://exam.pscnotes.com/73552“>a>-<a href=”https://exam.pscnotes.com/73552“>a>2<a href=”https://exam.pscnotes.com/73552“>a>”>-<a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a>><a href=”https://exam.pscnotes.com/73552“>a>brown<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>gas<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>that<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>major<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>component<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>of<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>air<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>pollution<a href=”https://exam.pscnotes.com/73552“>a>. <a href=”https://exam.pscnotes.com/73552“>a>It<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>formed<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>when<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>nitrogen<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>and<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>oxygen<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>react<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>in<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>the<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>presence<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>of<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>heat<a href=”https://exam.pscnotes.com/73552“>a>. <a href=”https://exam.pscnotes.com/73552“>a>Nitrogen<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>dioxide<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>respiratory<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>irritant<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>and<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>can<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>cause<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>lung<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>damage<a href=”https://exam.pscnotes.com/73552“>a>.<a href=”https://exam.pscnotes.com/73552“>a>p<a href=”https://exam.pscnotes.com/73552“>a>>
<<a href=”https://exam.pscnotes.com/73552“>a>p<a href=”https://exam.pscnotes.com/73552“>a>><a href=”https://exam.pscnotes.com/73552“>a>Dinitrogen<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>tetraoxide<a href=”https://exam.pscnotes.com/73552“>a> (<a href=”https://exam.pscnotes.com/73552“>a>N2O4<a href=”https://exam.pscnotes.com/73552“>a>) <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>colorless<a href=”https://exam.pscnotes.com/73552“>a>, <a href=”https://exam.pscnotes.com/73552“>a>odorless<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>gas<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>that<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>used<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>as<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>rocket<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>propellant<a href=”https://exam.pscnotes.com/73552“>a>. <a href=”https://exam.pscnotes.com/73552“>a>It<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>also<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>used<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>as<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>bleaching<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>agent<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>and<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>in<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>the<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>production<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>of<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>nitric<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>acid<a href=”https://exam.pscnotes.com/73552“>a>.<a href=”https://exam.pscnotes.com/73552“>a>p<a href=”https://exam.pscnotes.com/73552“>a>>
<<a href=”https://exam.pscnotes.com/73552“>a>p<a href=”https://exam.pscnotes.com/73552“>a>><a href=”https://exam.pscnotes.com/73552“>a>Carbon<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>dioxide<a href=”https://exam.pscnotes.com/73552“>a> (<a href=”https://exam.pscnotes.com/73552“>a>CO2<a href=”https://exam.pscnotes.com/73552“>a>) <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>colorless<a href=”https://exam.pscnotes.com/73552“>a>, <a href=”https://exam.pscnotes.com/73552“>a>odorless<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>gas<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>that<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>major<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>component<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>of<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>the<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>Earth<a href=”https://exam.pscnotes.com/73552“>a>’<a href=”https://exam.pscnotes.com/73552“>a>s<a href=”https://exam.pscnotes.com/73552“>a> <<a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>href<a href=”https://exam.pscnotes.com/73552“>a>=”<a href=”https://exam.pscnotes.com/73552“>a>https<a href=”https://exam.pscnotes.com/73552“>a>://<a href=”https://exam.pscnotes.com/73552“>a>exam<a href=”https://exam.pscnotes.com/73552“>a>.<a href=”https://exam.pscnotes.com/73552“>a>pscnotes<a href=”https://exam.pscnotes.com/73552“>a>.<a href=”https://exam.pscnotes.com/73552“>a>com<a href=”https://exam.pscnotes.com/73552“>a>/<a href=”https://exam.pscnotes.com/73552“>a>atmosphere<a href=”https://exam.pscnotes.com/73552“>a>”><a href=”https://exam.pscnotes.com/73552“>a>Atmosphere<a href=”https://exam.pscnotes.com/73552“>a><a href=”https://exam.pscnotes.com/73552“>a>a<a href=”https://exam.pscnotes.com/73552“>a>>. <a href=”https://exam.pscnotes.com/73552“>a>It<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>is<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>produced<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>when<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>organic<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>matter<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>decomposes<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>or<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>when<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>fossil<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>fuels<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>are<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>burned<a href=”https://exam.pscnotes.com/73552“>a>. <a href=”https://exam.pscnotes.com/73552“>a>Carbon<a href=”https://exam.pscnotes.com/73552“>a> <a href=”https://exam.pscnotes.com/73552“>a>dioxide<a href=”https://exam.pscnotes.com/73552“>a> <a 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