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Answer
Pure ZnO has a band gap of ~3.3eV and is therefore colorless. ZnO Powder may have a white appearance due to scattering and a layer of carbonate on the outside of particles as ZnO Reacts with CO2 in the air.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoWhat the hell is metal oxide?
im with u on this one
Wiki User
∙ 10y agoPure microcrystalline zinc oxide is white. Single crystal zinc oxide is colorless. Zinc oxide turns lemon yellow on heating and reverts to white on cooling
Wiki User
∙ 14y agoIts blue!!! =p
Wiki User
∙ 13y agoZinc burns a whitish color
Wiki User
∙ 16y agogreen
Wiki User
∙ 14y agoWhite-green
Wiki User
∙ 14y agogreen
Wiki User
∙ 11y agoWhite Green
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Why does a candle burn with a yellow flame?
Candle burns with a yellow flame because its an incomplete combustion. The temperature of the flame also relates to its colour and also the trace metal ions present will influence the flame colour.
Which substance will burn in bunse to give a brick red non luminous flame?
NaCl will burn with a brick-red colour in a non-luminous Bunsen flame.
What is the method for flame tests?
Proper method: Take a strip of zinc and put into the hottest part of a bunsen, then place in acid (I forget which), and burn again to remove impurities. Then dip the zinc into the powdered substance and hold in the flame, noting the colour which tells you what substance it is. Simple version: Mix solution of distilled water and substance, then use a spray gun to spray solution through flame for colours.
What colour does the sparkler burn of burning magnesium?
An intense white flame is produced when magnesium burns.
What colour flame do you get when you burn copper chloride?
A bright green color is imparted to the flame by copper chloride
What colour flame do you get when you burn sodium?
You get and orange - yellow colour.
What colour flame do you get when you burn strontium?
red
What flame colour do get when you burn lead?
blue
What colour of flame does potassium burn with?
green
What colour does ethene burn?
With a shiny blue flame.
What colour flame do you get when you burn strontium chloride?
The flame test for strontium - a strong red color.
What color does Magnesium chloride burn?
When Magnesium chloride is burnt in a Bunsen flame, it imparts no colour in the flame.
Why does a candle burn with a yellow flame?
Candle burns with a yellow flame because its an incomplete combustion. The temperature of the flame also relates to its colour and also the trace metal ions present will influence the flame colour.
What colour does chrome burn?
The flame test is not currently used for chrome.
In the flame test lab why was the burn wire placed into the flame before beginning the lab?
To burn off anything present that may alter the colour of your test.
Which substance will burn in bunse to give a brick red non luminous flame?
NaCl will burn with a brick-red colour in a non-luminous Bunsen flame.
What is the method for flame tests?
Proper method: Take a strip of zinc and put into the hottest part of a bunsen, then place in acid (I forget which), and burn again to remove impurities. Then dip the zinc into the powdered substance and hold in the flame, noting the colour which tells you what substance it is. Simple version: Mix solution of distilled water and substance, then use a spray gun to spray solution through flame for colours.
