Physics · Physical and Chemical Changes
Meher had two large chunks of coal. She set fire to the first chunk and broke the second one into small pieces. Help Meher understand what kind of changes happened to the two chunks by selecting the correct statement from the options below. Statements: A. Both chunks underwent physical changes only. B. The changes were reversible for the first chunk only. C. Only physical changes took place for the second chunk. D. Both chunks underwent chemical changes only. E. The first case is an example of chemical change.
- 1Only C and E✓
- 2Only B and D
- 3Only A and B
- 4Only D
Correct answer
Only C and E
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