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Type: Multiple-Choice
Category: Bonds and Mixing
Level: Grade 7
Score: 1
Author: cno243
Last Modified: 16 days ago

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Bonds and Mixing Question

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Grade 7 Bonds and Mixing

In a mixture, substances                                      .
  1. keep their own properties.
  2. have a definite chemical composition.
  3. lose their original properties.
  4. combine chemically.
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