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Chemical and Physical
Reactions quiz.
1. What is a chemical
reaction?
• A chemical change makes a
  substance that wasn't there
  before. There may be clues tha...
2. What is a physical
reaction?
• A physical reaction is the
  change in the appearance of an
  object in which it can cha...
3. How are chemical
reactions formed?
• A chemical reactions is the
  process by which objects bond
  together (or break b...
4. How are physical
reactions formed?
Physical changes occur when
 objects take a change that does
 not change their chemi...
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Chemical And Physical Reactions Quiz

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Chemical And Physical Reactions Quiz

  1. 1. Chemical and Physical Reactions quiz.
  2. 2. 1. What is a chemical reaction? • A chemical change makes a substance that wasn't there before. There may be clues that a chemical reaction took place, such as light, heat, color change, gas production, odor, or sound.
  3. 3. 2. What is a physical reaction? • A physical reaction is the change in the appearance of an object in which it can change back to it's original state.
  4. 4. 3. How are chemical reactions formed? • A chemical reactions is the process by which objects bond together (or break bonds) and, in doing so, either release or consume energy.
  5. 5. 4. How are physical reactions formed? Physical changes occur when objects take a change that does not change their chemical nature.

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