1. What happened to the sliced fruit/ vegetable upon exposure to oxygen?
2. What factor brought about the change?
3. What kind of change took place?
2. What factor brought about the change?
3. What kind of change took place?
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Answer:
1. Oxygen in the air can cause sliced fruit to brown, a process called enzymic browning (an oxidation reaction).
2.
Changes in Matter - What Kind of Change is It?
Action taking place Type of Change
2. Ice cube melting Choose your answer Physical change Chemical change
3. Candle burning Choose your answer Physical change Chemical change
4. Food digested in your stomach Choose your answer Physical change Chemical change
3. As an ice cube melts, its shape changes as it acquires the ability to flow. However, its composition does not change. Melting is an example of a physical change. A physical change is a change to a sample of matter in which some properties of the material change, but the identity of the matter does not.
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