Assertion: pure acetylene | /r/HasProperty | colourless gas
Facets:
value: with a pleasant odour
type: OTHER
Source sentences:
text: Pure acetylene is a colourless gas with a pleasant odour; as prepared from calcium carbide it usually contains traces of phosphine that cause an unpleasant garliclike odour.
text: Pure acetylene is a colourless gas with a pleasant odour; as prepared from calcium carbide it usually contains traces of phosphine that cause an unpleasant garliclike odour.