Mixtures and Pure Substances Quiz
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Questions and Answers

What is a mixture?

  • Cannot be broken down
  • Contains only one type of atom
  • Physically put together (correct)
  • Chemically put together

What are the types of mixtures?

  • Homogenous and Heterogenous (correct)
  • Elements and Compounds
  • Solutions and Suspensions
  • Gases and Liquids

Define a pure substance.

A pure substance is chemically put together and cannot be broken down.

What is a homogenous mixture?

<p>A homogenous mixture is one that cannot see different parts and is the same throughout.</p> Signup and view all the answers

What is a heterogenous mixture?

<p>A heterogenous mixture is one where different parts can be seen and it is different throughout.</p> Signup and view all the answers

What is an element?

<p>An element is the simplest form of matter that cannot be broken down and is found on the periodic table.</p> Signup and view all the answers

What is a compound?

<p>A compound is a combination of elements made up of two or more simpler substances.</p> Signup and view all the answers

What forms a solution?

<p>A solution forms when substances dissolve and create a homogenous mixture.</p> Signup and view all the answers

What is a suspension?

<p>A suspension is a solid in a liquid.</p> Signup and view all the answers

Examples of mixtures include ______.

<p>oil and water, salt and water, cement, ocean water, smog, mud puddle.</p> Signup and view all the answers

Examples of pure substances include ______.

<p>table salt, baking soda, water, diamonds, sugar, tin.</p> Signup and view all the answers

Examples of homogenous mixtures include ______.

<p>milk, kool-aid, blood, lotion, window cleaner, glue.</p> Signup and view all the answers

Examples of heterogenous mixtures include ______.

<p>pizza, cereal and milk, rocks in the sand at the beach, milk of magnesia.</p> Signup and view all the answers

Examples of solutions include ______.

<p>sweet tea, sodas, orange juice, coffee, tea.</p> Signup and view all the answers

Examples of suspensions include ______.

<p>orange juice with pulp, oil and water, dust in the air, chalk in water.</p> Signup and view all the answers

Examples of compounds include ______.

<p>pure water, carbon dioxide, salt, methane.</p> Signup and view all the answers

Examples of elements include ______.

<p>gold, oxygen, carbon, nitrogen.</p> Signup and view all the answers

Examples of colloids include ______.

<p>fog, milk, smoke.</p> Signup and view all the answers

Study Notes

Mixtures and Pure Substances

  • Mixtures are combinations of two or more substances that can be physically separated.
  • Pure substances consist of only one type of material, cannot be physically separated, and are categorized into elements and compounds.

Types of Mixtures

  • Homogenous mixtures have a uniform composition, making different parts indistinguishable.
  • Heterogenous mixtures contain visibly different components and do not have a uniform composition.

Elements and Compounds

  • Elements are the simplest form of matter, consisting of a single type of atom and listed on the periodic table.
  • Compounds are chemical combinations of two or more elements, represented by chemical formulas.

Solutions and Suspensions

  • Solutions form when substances dissolve to create a homogenous mixture, with no visible particles and unable to be filtered.
  • Suspensions are mixtures containing solid particles dispersed in a liquid, where the solid can be seen and may settle upon standing.

Examples of Mixtures

  • Mixture examples include:
    • Oil and water
    • Salt and water
    • Cement
    • Ocean water
    • Smog
    • Mud puddles

Examples of Pure Substances

  • Common pure substances include:
    • Table salt
    • Baking soda
    • Water
    • Diamonds
    • Sugar
    • Tin

Examples of Homogenous Mixtures

  • Homogenous mixture examples:
    • Milk
    • Kool-aid
    • Blood
    • Lotion
    • Window cleaner
    • Glue

Examples of Heterogenous Mixtures

  • Heterogenous mixture examples:
    • Pizza
    • Cereal and milk
    • Rocks in sand
    • Milk of magnesia

Examples of Solutions

  • Solution examples include:
    • Sweet tea
    • Sodas
    • Orange juice
    • Coffee
    • Tea

Examples of Suspensions

  • Suspension examples:
    • Orange juice with pulp
    • Oil and water
    • Dust in the air
    • Chalk in water

Examples of Compounds

  • Compound examples:
    • Pure water (H2O)
    • Carbon dioxide (CO2)
    • Salt (NaCl)
    • Methane (CH4)

Examples of Elements

  • Element examples include:
    • Gold (Au)
    • Oxygen (O)
    • Carbon (C)
    • Nitrogen (N)

Examples of Colloids

  • Colloid examples consist of:
    • Fog
    • Milk
    • Smoke

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Description

Test your knowledge on mixtures and pure substances with this informative quiz. Understand the differences between homogeneous and heterogeneous mixtures, as well as the classification of elements and compounds. Challenge yourself to see how well you grasp the concepts of solutions and suspensions.

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