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Grade 8 Chemistry Review

Quiz by Samuel Lahr

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20 questions
Show answers
  • Q1
    Which element has the atomic number 6?
    Oxygen
    Hydrogen
    Nitrogen
    Carbon
    30s
  • Q2
    What is the chemical symbol for gold?
    Cu
    Au
    Ag
    Fe
    30s
  • Q3
    What is the state of matter of water at room temperature?
    Plasma
    Liquid
    Gas
    Solid
    30s
  • Q4
    What is the atomic number of oxygen?
    4
    6
    2
    8
    30s
  • Q5
    Which of the following is a chemical change?
    Mixing salt and water
    Cutting a piece of wood
    Burning paper
    Melting ice
    30s
  • Q6
    What is the atomic symbol for helium?
    C
    H
    He
    O
    30s
  • Q7
    Which of the following is an example of a physical change?
    Melting ice to form water
    Cooking an egg
    Rusting iron
    Burning wood to ash
    30s
  • Q8
    What is the chemical formula for water?
    NaCl
    CO2
    H2O
    HCl
    30s
  • Q9
    Which of the following is an example of a chemical change?
    Boiling water
    Cutting a piece of paper
    Melting butter
    Baking a cake
    30s
  • Q10
    Which of the following is an example of a physical property?
    Reactivity
    Toxicity
    Density
    Flammability
    30s
  • Q11
    Which of the following is an example of a chemical change?
    Burning wood
    Cutting a piece of paper
    Melting ice
    Mixing salt and water
    30s
  • Q12
    Which of the following is a characteristic of an acid?
    Sweet taste
    Sour taste
    Salty taste
    Bitter taste
    30s
  • Q13
    Which of the following is a characteristic of a base?
    Bitter taste
    Sour taste
    Salty taste
    Sweet taste
    30s
  • Q14
    What is the formula for calculating density?
    Density = Volume/Mass
    Volume = Density x Mass
    Density = Mass/Volume
    Mass = Density x Volume
    30s
  • Q15
    Which of the following is an example of a heterogeneous mixture?
    Water
    Sugar
    Salt
    Granola
    30s

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