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CBSE Class 12-science Answered

what is meant by pyrophoric nature of a substance
Asked by advait2163 | 11 Jan, 2012, 02:02: PM
Expert Answer

A Substance is said to have pyrophoric ntaure when it ignites spontaneously in air i.e. it undergoes a kind of spontaneous and very violent explosion when exposed to oxygen, water, or moisture in the air. Such substances are often water-reactive also and ignite when they contact water or humid air. The pyrophoric substances have an auto ignition temperature below room temperature and often require a very less contact with air or water in order to spontaneously ignite.

Answered by | 11 Jan, 2012, 04:01: PM
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