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When liquid water freezes it is what kind of change?
Physical
Chemical

Question

Will give medal!
When liquid water freezes it is what kind of change?
 Physical
 Chemical

anonymous · Answer

Physical

anonymous · Answer

Thank you!

anonymous · Answer

Its a physical change because it can still revert to its water state

anonymous · Answer

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anonymous · Answer

When wood burns it is what kind of change?
  Physical
 Chemical

denonakavro · Answer

Chemical when wood burns

sleepyjess · Answer

Welcome to OpenStudy! This question would better fit in the chemistry section.

Physical changes are changes that can be reverted, such as water freezing. Chemical changes are changes that cannot be reverted, such as baking a cake.

whpalmer4 · Answer

Water freezing is a change of state; the water does not change its chemical composition.

Wood burning is a chemical change; new compounds are formed and old ones destroyed.  It is NOT necessarily the case that chemical changes cannot be reverted.