Melting of ice is:
- a. Physical change
- b. Chemical to new element
- c. Nuclear change
- d. Mutation only
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Physical and Chemical Changes — Basics
Physical vs chemical changes.
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In physical change new substance is:
- a. Always formed
- b. Not formed
- c. Always gas
- d. Always metal
Burning magnesium is:
- a. Only physical melting
- b. Chemical change
- c. Only shape change
- d. Only pure state change
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