CBSE › Class 7 › Science › Changes Around Us: Physical and Chemical (Class 7 NCERT New)
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1. When orange juice is frozen to make popsicles, can the popsicles change back to orange juice?

2. Is burning wood is what type of change?

3. mixing baking soda and vinegar

4. Define chemical change

5. Which is a chemical change?

6. The picture shows an example of a ______________ change.

7. Which of these is NOT a reversible change?

8. Every change has a cause. true or false

9. Which of these solids will melt?

10. When you blow into a balloon it will .........

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