Assertion: nitrous oxide | /r/HasProperty | prepared
Facets:
value: by careful heating of ammonium nitrate
type: MANNER
value: on an industrial scale
type: OTHER
value: at about 250 c
type: TEMPORAL
Source sentences:
text: Nitrous oxide is prepared on an industrial scale by careful heating of ammonium nitrate at about 250 C, which decomposes into nitrous oxide and water vapour.
text: It can be prepared by heating ammonium nitrate in the laboratory and can be used to produce nitrites by mixing it with boiling alkali metals, and to oxidize organic compounds at high temperatures.