Chemical Reactions and Equations Quiz
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Questions and Answers

What is the process of rearranging atoms to produce new substances called?

  • Chemical reaction (correct)
  • Physical reaction
  • Nuclear reaction
  • Biological reaction

What do we call a symbolic representation of a chemical reaction?

  • Atomic notation
  • Chemical equation (correct)
  • Structural formula
  • Molecular formula

What is the minimum amount of energy required to start a chemical reaction called?

  • Catalytic energy
  • Potential energy
  • Activation energy (correct)
  • Bond energy

Which law states that matter can neither be created nor destroyed in a chemical reaction?

<p>Law of Conservation of Mass (A)</p> Signup and view all the answers

What term refers to the combination of chemical formulas and symbols used to represent a chemical reaction?

<p>Chemical equation (C)</p> Signup and view all the answers

Which law states that the total mass of the products in a chemical reaction must equal the total mass of the reactants?

<p>Law of conservation of mass (A)</p> Signup and view all the answers

What is the process of expressing a chemical reaction using the formulas of the reactants and products?

<p>Chemical equation (C)</p> Signup and view all the answers

What is the term for a chemical reaction in which energy is absorbed from the surroundings?

<p>Endothermic reaction (C)</p> Signup and view all the answers

Which law states that the total mass of the products in a chemical reaction must equal the total mass of the reactants?

<p>Law of conservation of mass (C)</p> Signup and view all the answers

What term refers to a symbolic representation of a chemical reaction?

<p>Chemical equation (B)</p> Signup and view all the answers

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