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Chemistry CBSE Live product
Class 7
Changes around us: Physical and chemical changes
Changes: Physical and chemical changes
5.
Permanent changes
Question:
2
m.
Choose
the correct answer for the following questions.
1.
Temperature change accompanied by new product formation is an indicator of __________ change.
reversible
physical
chemical
oxidation
2
.
Heat is the product of __________ change.
exothermic chemical
endothermic chemical
exothermic physical
endothermic ohysical
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