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Question
Classify the following as a physical or a chemical change.
Butter getting rancid
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Solution
Chemical change
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RELATED QUESTIONS
Classify the following as chemical or physical change:
Cutting of trees
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When a candle burns, wax melts. Melting of wax is a ________ change.
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Match the columns.
| Column A | Column B |
| 1. a change which cannot be easily reversed | a. man-made change |
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| f . slow change |
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There is no change in the _____________of the substance during a physical change.
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Melting of ice is an exothermic, irreversible chemical change.
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
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