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Phosphorus (15)
Maude Kulas
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∙ 15y agois it magnesium?
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What is phyrophoric?
Something that will burn spontaneously when exposed to air.
What are the disadvantages of tungsten element?
it may spontaneously ignite upon contact with air
What will happens to a plant exposed to air?
what will happens to a plant exposed to air
Why pure NH3 does not burn in air but impure PH3 burn in air?
With traces of P2H4 present, PH3 is spontaneously flammable in air
What happened to camphor when exposed to air?
Camphor is a sublimable substance, so it sublimes after some time when exposed to air...
What is phyrophoric?
Something that will burn spontaneously when exposed to air.
What is unsual about potassium?
Pure potassium (Element K on the periodic table) Is the most reactive metal. So reactive that it will spontaneously oxidise when exposed to the air and will explosively combust when placed in water.
What element turns white when exposed to air?
Copper (Cu) is the element that turns green when exposed to moist air.
What element whose name light-bearing burns spontaneously in air?
phosphorus
Why does a car misfire when going down hill?
The compression in the cylinders is so great that the fuel/air mixture ignites spontaneously (before the spark plug fires)
Why red phosphorous is stored inside water?
Because it is very unstable. It spontaneously combusts when exposed to the air.
What element sublimes when gently heated?
Iodine is the element that undergoes sublimation when exposed to air.
What material that has been tested to ignite without an external ignition source within five minutes of being exposed to air?
Spontaneously Combustible
How phosphorus is stored?
Red phosphorusis not stored under either water or oil. It is rather safe, although friction can convert it towhite phosphorus. Red phosphorus is used in some matches.It is white phosphorus that is the real nasty one. That is stored under water. White phosphorus ignites spontaneously in contact with air. That is the element used in some military munitions.
What element is found in head of safety matches?
The match head contains sulpur and an oxidising agent and they have to be struck against a special surface to make the flame. The special surface contains sand, red phosphorus and a binder. When the match is struck, friction is gererated as a form of heat and the red phosphorus turns to a white phosphorus vapour which ignites spontaneously on contact with oxygen in air. The sulphur starts to burn and ignites the match stick
What element when exposed to air produces a violet vapor and extremely unpleasant odor?
Iodine
Why spark generates on collision of two stones?
The sparks are caused by the rapid oxidation of the small flecks of stone. Iron is one such element that will spontaneously combust when exposed to oxygen, so when two rocks are struck, little flecks of highly reactive material are catching fire in the air.
