Question

A Maltiple Choice Questions (MCQ)
1. Which of the following is not a characteristic of physical change?
formation of new substance
b.
reversible
temporary
d. change in physical properties
2. A physical change involves
no change in energy
b.
energy is released
d.
3. Which of the following is not a chemical change?
photosynthesis
b. digestion
tearing a paper
d.
rusting of iron
4. Which of the following is a characteristic of chemical change?
permanent
b. reversible
no energy change
d. composition does not change
energy is absorbed
none of these
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Answer 1

Answer:

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