Assertion: nitrogen's compound | /r/ObjectUse | used as refrigerant
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Source sentences:
text: The most important nitrogenous compounds are ammonia (NH 3 ), which is used as a fertilizer, refrigerant, nonaqueous solvent, and precursor for many nitrogen compounds including nylon and plastics; nitric acid (HNO 3 ); ammonium nitrate (NH 4 NO 3 ), a fertilizer and explosive; fertilizers ammonium phosphate and urea (H 2