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Type: Multiple-Choice
Category: Reactions
Level: Grade 10
Author: avadhitalera
Created: 2 weeks ago

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Grade 10 Reactions

Which of the following statements is/are true?
  1. The total mass of the substance remains same in a chemical change.
  2. A chemical change is permanent and irreversible.
  3. A physical change is temporary and reversible.
  4. All the these.
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