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General Chemistry 11 First Quarter Examination 1

Quiz by Felina Sarmiento

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50 questions
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  • Q1
    Which of the following is NOT true about chemical properties?
    Chemical properties are not readily seen that is the reason why chemical containers have labels indicating their chemical property.
    Chemical properties are those that can be identified directly without changing the identity or composition of a material.
    It can only be determined if there is a change in the molecular structure of a substance.
    Chemical change must occur for a chemical property to be observed and measured.
    30s
  • Q2
    What can you use to separate pieces of iron from pieces of aluminum?
    Boil them
    Magnet
    Multi-meter tester
    thermometer
    30s
  • Q3
    The chemical name of ________________ is sodium chloride.
    salt
    Sugar
    Acetone
    Methane
    30s
  • Q4
    What is the chemical name of white vinegar?
    Acetic Acid
    Muriatic acid
    Salicyclic Acid
    Acetyl Acid
    30s
  • Q5
    ____ refers to the constituents of a product
    Matter
    Cost
    Consumer product
    Composition
    30s
  • Q6
    What do you call the goods that are bought for consumption by the average consumer?
    Consumer Products
    Composition
    Necessity
    Matter
    30s
  • Q7
    Which of the following mixtures could NOT be used in separating the components of mixtures through decantation?
    Quail eggs in hot water
    Utensils in warm water
    Sugar in hot water
    Sand in a glass of water
    30s
  • Q8
    ____ is the process of separating the insoluble solid from the liquid substance by allowing the liquid to pass through a porous material.
    distillation
    mechanical separation
    decantation
    filtration
    30s
  • Q9
    Which method uses the boiling point differences by gradually heating a mixture to separate parts of a liquid mixture?
    Mechanical separation
    Filtration
    Decantation
    Distillation
    30s
  • Q10
    Condensing means transforming from _____ to _____
    liquid to gas
    Gas to liquid
    solid to gas
    gas to solid
    30s
  • Q11
    The atomic number of an atom is based upon the number of _______.
    electrons
    protons
    neutrons
    megatrons
    30s
  • Q12
    What is a radioisotope?
    A substance that produces radio waves
    A substance made of stable, radioactive atoms
    A substance made of unstable, radioactive atoms
    A type of atom that is the size of a radio wave
    30s
  • Q13
    The atomic mass number for carbon-14, meaning that carbon atoms have ____________.
    14 protons
    8 protons and 6 neutrons
    6 protons and 8 neutrons
    14 neutrons
    30s
  • Q14
    Which of the following isotopes is used in medical diagnostic procedures?
    Californium-252
    Calcium-47
    Americium-241
    Carbon-14
    30s
  • Q15
    Which of the following isotopes is used in industrial processes?
    Phosphorus – 32
    Krypton-85
    Xenon-133
    Technetium – 99
    30s

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