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Chemistry CBSE Live product
Class 7
Changes around us: Physical and chemical changes
Changes: Physical and chemical changes
4.
Changes
Question:
4
m.
Find
whether the statement is correct or incorrect.
1
.
Statement
:
Any substance that changes its chemical properties is known as chemical change.
Given statement is incorrect
Given statement is correct
2
.
Statement
:
Iron turns into rust when exposed to air and moisture in the atmosphere.
Given statement is incorrect
Given statement is correct
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