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Bonds and Mixing Questions - All Grades

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Grade 5 Bonds and Mixing
Filtration can separate the substances that have been combined using a funnel and filter paper. Which of the following materials can be separated using filtration?
  1. a mixture of mud and water
  2. a solution of vinegar and water
  3. a mixture of sand and sawdust
  4. a solution of salt and water
Grade 6 Bonds and Mixing
Susan and Hector made three different mixtures which consisted of (1) baking soda and water, (2) gravel and water (3) table salt and water. Which of the following explains why table salt and water is also a solution?
  1. the salt dissolved in the water
  2. the contents can be separated by a filter
  3. the salt settles at the bottom
  4. the contents can be separated with a screen
Grade 5 Bonds and Mixing
Which of the following materials can be separated using filtration?
  1. a solution of vinegar and water
  2. a mixture of sand and sawdust
  3. a mixture of mud and water
  4. a solution of salt and water
Grade 5 Bonds and Mixing
Bradley mixed together coarse sand, salt, and iron filings in 150 mL of water. Which series of steps will most easily separate out each of the substances?
  1. Heat the solution and filter out the sand and salt.
  2. Filter out the sand and iron filings. Attract the iron with a magnet. Heat and evaporate off the water from the salt.
  3. Attract the iron filings with a magnet. Filter out the salt. Evaporate the water from the coarse sand.
  4. Filter out the salt and attract the iron filings with a magnet.
Grade 5 Bonds and Mixing
Which of the following are ways that a mixture can be separated?
  1. evaporation
  2. sifting
  3. filtration
  4. all of the above
Grade 8 Bonds and Mixing
Grade 8 Bonds and Mixing
How is a mixture different from a compound?
  1. A mixture has a chemical formula. A compound does not.
  2. Substances in a compound are chemically combined. The substances in a mixture are not.
  3. A compound is easier to separate than a mixture.
  4. A mixture forms with a chemical reaction. A compound does not.
Grade 7 Bonds and Mixing
In a mixture, substances                                      .
  1. keep their own properties.
  2. have a definite chemical composition.
  3. lose their original properties.
  4. combine chemically.
Grade 9 Bonds and Mixing
Grade 5 Bonds and Mixing
Grade 6 Bonds and Mixing
Which of the following describes a solution?
  1. A mixture that is partly blended.
  2. A mixture that is evenly blended.
  3. A mixture that has definite layers.
Grade 5 Bonds and Mixing
Hot chocolate and ocean water are examples of what?
  1. mixtures
  2. solutions
  3. beverages
  4. salty liquids
Grade 6 Bonds and Mixing
A mixture is a substance
  1. with one type of matter.
  2. that can be evaporated.
  3. with two or more types of matter.
  4. that cannot be separated.
Grade 11 Bonds and Mixing
In chemistry, we describe a mixture as
  1. a combination of pure substances formed through chemical bonding.
  2. any substance possessing a uniform composition throughout.
  3. a physical combination of two or more types of substances,with each maintaining its own characteristic properties.
  4. any collection of elements chemically bound to each other.
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