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Silane is a pyrophoric gas. Its chemical formula is SiH4. It spontaneously ignites when in contact with air. (SiH4+2O2->SiO2+2H2O) Commonly produced with the following process: 1. Silicon dioxide is burned with magnesium, forming magnesium silicide. (SiO2+2Mg->Mg2Si+O2) 2. The magnesium silicide is placed into hydrochloric acid, forming silane gas, which ignites as it bubbles out of solution. (Mg2Si+4HCl->2MgCl2+SiH4)
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