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Question
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
Options
physical
chemical
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Solution
A change in which matter undergoes a change but the total mass of the substance is unaltered is a physical change.
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RELATED QUESTIONS
Match the columns
| column A | coulmn B |
| 1. A change which cannot be easily reversed | a. man-made change |
| 2.A change that repeats itself at regular intervals | b. chemical change |
| 3. A change that is made by humans | c. physical change |
|
4. A change in which the original substance cannot be obtained |
d. periodic change |
| 5. A change where no new substance is formade | e. irreversible change |
| f. slow change |
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