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InterviewSolution
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E XERCISE 1. b. c. A. Multiple Choice Questions (MCQ) Which of the following is not a characteristic of physical change? formation of new substance reversible temporary d. change in physical properties 2. A physical change involves no change in energy b. energy is absorbed energy is released d. none of these 3. Which of the following is not a chemical change? photosynthesis b. digestion d. 4. Which of the following is a characteristic of chemical change? permanent b. no energy change d. composition does not change C. tearing a paper rusting of iron a. reversible C. 26 |
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Answer» 1 st answer is d 2 answer is d 3 answer is DIGESTION 4 answer is B |
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