Group 1 and 2 silicides e.g. Na2Si and Ca2Si react with drinking water, yielding hydrogen and/or silanes. At Shopper Electronics Show (CES) 2012 a secure and eco-friendly 1kWh or 3kWh capacity cellphone charger with sodium silicide that operates on h2o has released for 'individuals that spend time far from the https://polycarboxylatesuperplast41749.wikigiogio.com/2007386/the_basic_principles_of_silica_aerogel