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this has to do with the frequency of light the zinc sends out and reflects. Just as iron turns red and when very hot white zinc turns yellow. In a old light bulb a wire of wolfram is used to create yellow light. So the light that it sends and reflects is a material property
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What metal reacts with steam to give an oxide that is yellow when and white when cold?
Zinc oxide ZnO
What colour is iron II oxide?
brown when hot and yellow when cold
Will there be a reaction between zinc and water?
Zinc reacts with steam to form Zinc oxide(yellow when hot and white when cold) and hydrogen. Zn+H2O=ZnO +H2
What happens when cold water is added to calcium oxide?
Calcium oxide + water
How do you remove yellow bleach stains from white shirts?
to yellow stains out of white shirts to use ultra stain removerAs a man I like to have white shirts and so when I do white laundry I make sure to wash my whites in cold water onlywhen using bleach-- Bleach works best in cold water this is just the way the chemical is meant to work.
Is yellow when heated and white when cold?
Zinc oxide
What metal reacts with steam to give an oxide that is yellow when and white when cold?
Zinc oxide ZnO
What colour is iron II oxide?
brown when hot and yellow when cold
Will there be a reaction between zinc and water?
Zinc reacts with steam to form Zinc oxide(yellow when hot and white when cold) and hydrogen. Zn+H2O=ZnO +H2
Is the star Rigel cold?
no it is hot blue =hot white = warm yellow = medium orange = cool red = cold
Does color affect temperature from the sunlight?
Yes.According to scientists who ran an experiment about this subject concluded that red,orange,yellow,and black are 'warm colors while blue,green,and white are 'cold'.Many things that are warm are colored red,orange,yellow,and black(like faces that turn red when they're warm,the hot sun that glows yellow,orange fire).Blue,green,and white represents cold things.(People cool off in the cool shade of green trees,lips turn blue when they're cold.
What happens when cold water is added to calcium oxide?
Calcium oxide + water
How do you remove yellow bleach stains from white shirts?
to yellow stains out of white shirts to use ultra stain removerAs a man I like to have white shirts and so when I do white laundry I make sure to wash my whites in cold water onlywhen using bleach-- Bleach works best in cold water this is just the way the chemical is meant to work.
What are the yellow-white chunks that are coming up with coughs during a cold?
Infected flem , and you need to see a Doctor and get on some antibiotics.
What happens when zinc carbonate is heated in the absence of air?
ZnCO3 --------> ZnO + CO2.It is an example of decomposition reaction.Colour of zinc oxide produced is yellow when hot and white when cold.
What happens if you add too much water to calcium oxide?
it will go cold
Was President William Henry Harrison the first President to die while in office?
Yes ,William Henry Harrison was the first president to die while in office. He died in the White House after catching a cold.
