How Well Do You Know Your Chemistry?

10 Questions | Total Attempts: 883

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How Well Do You Know Your Chemistry? - Quiz


Questions and Answers
  • 1. 
    Water is a compound that is made from two types of elements. What are the two elements?
    • A. 

      Helium and carbon dioxide

    • B. 

      Hydrogen and Oxygen

    • C. 

      Hydrogen and carbon dioxide

  • 2. 
    When vinegar (or another acid) is added to baking soda (also known as sodium bicarbonate), the mixture fizzes and a gas is produced from the reaction. This gas is called
  • 3. 
    Helium is a very light gas that can be used to inflate ballons and give them lift. Hydrogen is a gas that is also lighter than air. Why is Hydrogen not used to inflate balloons?
    • A. 

      It smells bad.

    • B. 

      Hydrogen is a purple gas and can stain objects that it comes in contact with.

    • C. 

      It is too light, one small balloon filled with helium is enough to lift a car off the ground

    • D. 

      It is flammable

  • 4. 
    What is the common household name for Sodium chloride?
    • A. 

      Salt

    • B. 

      Baking powder

    • C. 

      Washing powder

    • D. 

      Toothpaste

    • E. 

      Yeast

  • 5. 
    What are the building blocks of all matter?
    • A. 

      Elements

    • B. 

      Water

    • C. 

      Atoms

    • D. 

      Cells

  • 6. 
    The periodic table is a table of ___________
  • 7. 
    Mg is the symbol for what element on the periodic table?
    • A. 

      Mercury

    • B. 

      Zinc

    • C. 

      Lead

    • D. 

      Magnesium

  • 8. 
    Chemical changes occur when a new substance is formed. Which of the following is a physical change and not a chemical change?
    • A. 

      Ice melting

    • B. 

      Baking soda reacting with vinegar

    • C. 

      An egg being fried

    • D. 

      Magnesium ribbon being burnt

  • 9. 
    Which statement is correct for pure substances?
    • A. 

      The substance must be an element.

    • B. 

      The ingredients can be separated.

    • C. 

      The substance cannot be split up easily.

    • D. 

      The substance must be a compound.

  • 10. 
    What is one indicator that a chemical change has taken place