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Pure Substances & Mixtures Flocabulary Quiz, Read and Respond Answers

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1) Pure Substances & Mixtures Flocabulary Quiz Answers Key
2) Pure Substances & Mixtures Flocabulary Read & Respond Answers

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Pure Substances & Mixtures Flocabulary Quiz Answers Key

Q1 Which two types of matter are pure substances?
  1. homogenous mixtures and elements
  2. solutions and compounds
  3. elements and compounds
  4. mixtures and elements
Q2 Unlike an element, a(n) ________ may be separated through a physical process like filtration.
  1. mixture
  2. compound
  3. atom
  4. molecule
Q3 Mixtures that have the same composition throughout are ________.
  1. ​heterogeneous
  2. homogenous
  3. pure substances
  4. elements
Q4 Which of the following describes a heterogeneous mixture?
  1. carbon monoxide, a toxic gas with the chemical formula CO
  2. simple syrup, a substance that has two parts sugar to every one part of water throughout
  3. beach sand, a substance that can contain rocks, shells, metals and other substances distributed unevenly throughout
  4. sulfur, a substance with atomic number 16 and the symbol S on the periodic table.
Q5 To form brass, copper and zinc combine but do not chemically bond. Brass is a(n) ________.
  1. atom
  2. element
  3. compound
  4. mixture
Q6 Sulfur dioxide is a smelly, toxic gas. It is made of the elements sulfur and oxygen and cannot be physically separated. Sulfur dioxide is represented by the chemical formula SO​2. Sulfur dioxide is a(n) ________.
  1. element
  2. compound
  3. heterogeneous mixture
  4. solution
Q7 Beryllium appears on the periodic table with the symbol Be. It may bond with sulfur to form the compound BeS. Beryllium is a(n) ________.
  1. element
  2. compound
  3. heterogeneous mixture
  4. solution
Q8 Cracker jacks contain peanuts and popcorn. Eve hates peanuts, so she picks out the popcorn and leaves the peanuts in the bowl. Based on this description, cracker jacks are a(n) ________.
  1. atom
  2. element
  3. compound
  4. mixture
Q9 In the lab, Gregory is using a substance that has the same composition throughout. He separates the substance into a liquid and solid using a physical process. Based on this description, Gregory’s substance is a(n) ________.
  1. element
  2. compound
  3. heterogeneous mixture
  4. solution
Q10 Lemonade contains lemon juice and sugar dissolved in water. What is the solvent in lemonade?
  1. water
  2. lemon juice
  3. sugar
  4. There is no solvent in lemonade.

Pure Substances & Mixtures Flocabulary Read & Respond Answers

Expand your knowledge by exploring the Read & Respond answers related to the topic of our Subject:

Q1 Which of the following does not describe a physical property of iron?
  1. Iron is silvery-white or gray in color.
  2. Iron has a boiling point of about 3,000°C.
  3. Iron is a magnetic element.
  4. Iron and sulfur react to form iron sulfide.
Q2 Which of the following best describes the relationship between oxygen and chlorine?
  1. Oxygen and chlorine have the same symbols.
  2. Oxygen atoms have fewer protons than chlorine atoms.
  3. Oxygen and chlorine have the same properties.
  4. Oxygen atoms have twice as many protons as chlorine atoms.
Q3 Which of the following best describes compounds
  1. They can only be separated chemically.
  2. They are always liquid at room temperature.
  3. They contain the atoms of just one element.
  4. They have the same properties as their elements.
Q4 Which of the following is an example of a chemical change?
  1. separating water into different glasses
  2. breaking frozen ice cubes with a hammer
  3. running an electric current through water
  4. boiling water to evaporate it on a stove
Q5 Which of the following is a true statement?
  1. Every molecule of the same compound will have different properties.
  2. Every molecule of a compound has the same proportion of elements.
  3. Molecules can be physically separated into smaller units of a compound.
  4. Molecules cannot be represented by chemical formulae.
Q6Which of the following is an example of a mixture?
  1. a fruit salad
  2. water in a glass
  3. sugar
  4. salt
Q7 Which of the following best describes the difference between a heterogeneous mixture and a homogeneous mixture?
  1. Heterogeneous mixtures cannot be physically separated, while homogeneous mixtures can be.
  2. Heterogeneous mixtures are chemically bonded, while homogeneous mixtures are physically blended.
  3. Heterogeneous mixtures are all made with soil, while homogeneous mixtures all contain the universal solvent water.
  4. Heterogeneous mixtures aren’t evenly mixed, while homogeneous mixtures have the same properties throughout.

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