Rahila Ahmed
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Posted 5 year ago
Which gas is most popular as laughing gas?
3 Answer(s)
Shweta Jain
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Posted 5 year ago Shweta Jain Teacher

Nitrous oxide was invented by Joseph Priestley in the late 1700s. During that time, and for over a hundred years afterwards, people suffered agonies every time .

Mitesh Sharma
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Posted 5 year ago Mitesh Sharma

Nitrous oxide

Chandra
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Posted 5 year ago Chandra

Nitrous oxide