Introduction to Matter and Measurement in Chemistry
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Questions and Answers

What is the definition of matter?

  • Anything that has mass and takes up space (correct)
  • Anything that takes up space but not necessarily has mass
  • Anything that is visible to the naked eye
  • Anything that has mass but not necessarily takes up space

    • What are atoms considered to be?

  • Building blocks of mixtures
  • Building blocks of compounds
  • Building blocks of elements
  • Building blocks of matter (correct)

    • Which substance contains two or more different kinds of elements?

  • Element
  • Atom
  • Mixture
  • Compound (correct)

    • What is the composition of 'white gold'?

    <p>Gold and a 'white' metal, such as palladium (B)</p> Signup and view all the answers

    What is the composition of aspirin by mass?

    <p>60.0% carbon, 4.5% hydrogen, 35.5% oxygen (D)</p> Signup and view all the answers

    Which figure represents a pure compound?

    <p>Figure 3 (C)</p> Signup and view all the answers

    What type of property is the boiling point of ethyl alcohol?

    <p>Physical property (B)</p> Signup and view all the answers

    What type of change is the evaporation of alcohol?

    <p>Physical change (C)</p> Signup and view all the answers

    What type of property is the volatility of alcohol?

    <p>Physical property (C)</p> Signup and view all the answers

    What type of change is the burning of lamp oil?

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

    What type of property is the flammability of lamp oil?

    <p>Chemical property (A)</p> Signup and view all the answers

    What type of change is the bleaching of hair with hydrogen peroxide?

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

    What type of property is the susceptibility of hair to bleaching?

    <p>Chemical property (D)</p> Signup and view all the answers

    Which type of property is density?

    <p>Physical property (C)</p> Signup and view all the answers

    What type of change occurs when ice melts into water?

    <p>Physical change (D)</p> Signup and view all the answers

    Which type of property is reactivity with acid?

    <p>Chemical property (D)</p> Signup and view all the answers

    Which of the following best represents a pure element?

    <p>Figure A (C)</p> Signup and view all the answers

    What is the composition of 'white gold'?

    <p>50% gold, 50% palladium (D)</p> Signup and view all the answers

    What type of change occurs when ice melts into water?

    <p>Physical change (B)</p> Signup and view all the answers

    What type of property is flammability of lamp oil?

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

    Which figure represents a mixture of an element and a compound?

    <p>Figure D (A)</p> Signup and view all the answers

    What is the definition of matter?

    <p>Anything that occupies space and has mass (B)</p> Signup and view all the answers

    Which of the following is an example of a physical change?

    <p>The evaporation of alcohol (D)</p> Signup and view all the answers

    What type of property is the boiling point of ethyl alcohol?

    <p>Physical property (D)</p> Signup and view all the answers

    Which figure represents a pure compound?

    <p>Figure A (B)</p> Signup and view all the answers

    What type of change occurs when ice melts into water?

    <p>Physical change (D)</p> Signup and view all the answers

    What type of property is reactivity with acid?

    <p>Chemical property (A)</p> Signup and view all the answers

    What is the composition of 'white gold'?

    <p>$Au$ and $AgCl$ (C)</p> Signup and view all the answers

    What are atoms considered to be?

    <p>Electrons and protons (D)</p> Signup and view all the answers

    'Sugar ferments to form ethyl alcohol' represents which type of property?

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

    'Diamond is very hard' represents which type of property?

    <p>Physical property (C)</p> Signup and view all the answers

    What type of change is the fermentation of sugar to form ethyl alcohol?

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

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