Science, asked by sanchitgarg10554, 12 hours ago

Sublimation a physical change why​

Answers

Answered by senthilchellam1982
4

Explanation:

sublimation is a physical change because it is just the change of a solid substance to it's vapour state,no new substance is formed and it can be again converted to solid this means it is a reversible change whereas in case of slaking of lime CaO reacts with H2O to form Ca(OH)2 and energy,a new substance Ca(OH)2 is formed and it can't be reversed by physical means so,it's a chemical change. 

Answered by akshatanikam2002
1

Answer:

sublimation is a physical change because it is just the change of a solid substance to it's vapour state,no new substance is formed and it can be again converted to solid this means it is a reversible change whereas in case of slaking of lime CaO reacts with H2O to form Ca(OH)2 and energy,a new substance Ca(OH)2 is ...

I hope... you will understand

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