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Cris andrew Tuazon
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∙ 13y agoIodine
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What element is is shiny black solid but gives off a purple vapor when heated?
Iodine on heating gives off dense purple vapor.
What happens when you burn an iodine crystal?
when iodine crysatals are heated, they turn from a solid into a gas (vapour). They start a black colour and as they gradually turn into a gas, they turn to a purple colour. At the end, there are no crystals left.
What colour is the iodine flame?
It's white or either black depends on the product
Is potassium iodide the same as iodine?
No, potassium iodide is a white salt formula KI and is a compound. Iodine is an intense deep purple - black solid, formula I2 and is an element. Potassium Iodide is nonvolatile but Iodine is quite volatile and vapour is given off even in the solid state at room temperature.
What is colour code of nitrogen pipe line?
black colour
What is a solid purple-black non metal which changes to a deep purple gas when heated?
Iodine is a purple-black non metal that changes to a deep purple gas when heated.
Is black crystals of iodine turning into purple vapour of iodine a physical change or a chemical change?
if u heated them then its a physical change if u chucked another chemical on them its a chemical change if u did both then its a change of clothes
What happens when heated steal wool is lower into sulfur vapour?
The steel wool will burned and turned in black substance.
Is chemical change a black solid when heated changes into a purple gas?
When it is iodine (I2) it is only physical sublimation of the black (metallic shiny) I2 crystals into purple heavy gas clouds or fumes
What element is is shiny black solid but gives off a purple vapor when heated?
Iodine on heating gives off dense purple vapor.
What is the color of the gases Chlorine bromine iodine?
Chlorine is Green gas Bromine is brown/red liquid , with a brown red vapour Iodine is a black solid, with ?? purple??? vapour.
A shiny black solid was heated and formed a purple vapour which on cooling became a black solid again Is this a physical or chemical reaction and explain?
This is a physical change. The solid is Iodine, which sublimes on heating to form gaseous Iodine. When cooled, it sublimes again to form solid Iodine. Since this change is only the change of physical states, and since there's no change in the chemical structure of Iodine, this is a physical change.
What is purple and black mixed together?
Purple and black = Dark purple!
What looks better purple and white or purple and black?
purple and black
What is bam margera's favorite colors?
Purple, its kinda obvious. His robe, his Lambo, both purple.
What colour does purple and black mixed together make?
purple+ black= dark purple!! :)
Are black grapes purple?
Yes black grapes are purple
