Matter Unit Review Sheet: Physical and Chemical Properties
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Questions and Answers

Which type of property includes melting point and boiling point?

  • Flammable
  • Chemical
  • Toxic
  • Physical (correct)

    • Which of the following is a chemical property?

  • Acidity (correct)
  • Density
  • Color
  • Volume

    • According to the law of conservation of matter, what happens to matter in a chemical reaction?

  • It is evaporated
  • It is created
  • It is destroyed
  • It is conserved (correct)

    • What is the total mass of a solution formed by stirring 20g of sugar into 100g of water?

    <p>120g</p> Signup and view all the answers

    If all that remains after burning leaves are smoke and ash, what happened to the matter?

    <p>It was converted to other forms</p> Signup and view all the answers

    Are mixtures formed through chemical or physical combinations of substances?

    <p>Physical</p> Signup and view all the answers

    What is a chemical property of silver?

    <p>Tarnishes</p> Signup and view all the answers

    Where would you place 'Volume' and 'Mass' in the Venn diagram?

    <p>A</p> Signup and view all the answers

    What is easier to separate, a pure substance or a mixture?

    <p>Mixture</p> Signup and view all the answers

    Is it true or false that a compound is physically combined?

    <p>False</p> Signup and view all the answers

    In the reaction between 115g of Sodium and 20g of Chlorine to produce NaCl, how much NaCl is formed?

    <p>135g NaCl, reactants = products</p> Signup and view all the answers

    After roasting a marshmallow, its mass decreased from 10g to 9.2g. Was matter destroyed in this process?

    <p>No, 0.8g was released as a gas</p> Signup and view all the answers

    Which of the following is an example of a heterogeneous mixture?

    <p>Lucky Charms Cereal with Milk</p> Signup and view all the answers

    What is the state of matter of Carbon?

    <p>Element</p> Signup and view all the answers

    Which equation shows the reaction between Magnesium and Chlorine to produce Magnesium Chloride?

    <p>_Mg + _Cl = MgCl2</p> Signup and view all the answers

    What should be done to balance the chemical equation for Magnesium reacting with Chlorine to form Magnesium Chloride?

    <p>Put a coefficient of 3 in front of Chlorine on the reactants side</p> Signup and view all the answers

    What happens to the identity of individual substances in mixtures?

    <p>They maintain their own identity and properties</p> Signup and view all the answers

    When a compound is formed, what happens to the substances involved?

    <p>They become entirely new substances</p> Signup and view all the answers

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