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Is Melting coin being heated and turn black this is used as a test for metal a chemical or a physical change?
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∙ 6y ago
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When sugar canalize on being heated above its melting point is physical change or chemical?
Melting is a physical process.
If water if heated and changed into steam is this a chemical or physical change?
It is what is called a phase change.
Is it a physical or chemical change when the liquid mercury in a thermometer expands as it is heated?
physical change
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
Is copper sulfate a physical or chemical change when heated?
Thermal decomposition and loss of water are chemical changes.
When sugar canalize on being heated above its melting point is physical change or chemical?
Melting is a physical process.
Is melting of wax is chemical change or physical?
Yes it is!:Pwhen a candle is lighted the solid wax changes into liquid wax,then it turns into vapour to produce flame.new substances like Co2 and H2O are formed alongwith the evoulation of light and heat.
Is melting butter a physical or shemical change?
Physical Change if it's not heated to the point where it starts to smoke.
Is water is heated and changed to steam a physical change or chemical change?
chemical
Is putting pottery in heated place a physical or chemical change?
It is a physical change
When a solid is heated its particles melt and change into a liquid?
This physical change is called melting.
When blue crystals are heated is it a physical or chemical change and why?
It would be chemical.
When table sugar is heated to its melting point it bubbles and turns black When it cools it remains a black solid Describe the change as chemical or physical?
I'd say it's a chemical change, because it's obviously not a sugar anymore...
If water if heated and changed into steam is this a chemical or physical change?
It is what is called a phase change.
Is it a physical or chemical change when the liquid mercury in a thermometer expands as it is heated?
physical change
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
Is copper sulfate a physical or chemical change when heated?
Thermal decomposition and loss of water are chemical changes.
