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Question
Give Reason.
1. Steam changes to water is called a physical change. Why??
2. Cooking of food is a chemical change. Why??
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Class 7
Board ICSE
SUB - Chemistry
Chapter - Physical and chemical change
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Answer:
when steam changes to water it is still aform of water that is why nonew substance is formed and it is a physical change
when food is cooked due to heat and the ingredients we aad to it the chemical state of the food changes that is why it is chemical change