What is the principle behind the law of conservation of mass?

Practice Questions

Q1
What is the principle behind the law of conservation of mass?
  1. Mass can be created
  2. Mass can be destroyed
  3. Mass is constant in chemical reactions
  4. Mass is variable in reactions

Questions & Step-by-Step Solutions

What is the principle behind the law of conservation of mass?
  • Step 1: Understand that mass is the amount of matter in an object.
  • Step 2: Recognize that in a chemical reaction, substances change into new substances.
  • Step 3: Remember that during this change, the total mass of the substances before the reaction is equal to the total mass after the reaction.
  • Step 4: Conclude that since mass is not lost or gained, it is conserved.
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