Chemistry Solutions Quiz
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Questions and Answers

Define the solution and list its properties.

A homogeneous mixture of two or more substances is called a solution. Its properties include: 1) It shows the properties of its components; 2) Its components are variable.

What are the components of a solution?

The components of a solution are solute and solvent.

What is a saturated solution?

A saturated solution is a solution in which the amount of solute cannot be dissolved at a particular temperature.

How is a saturated solution prepared?

<p>It is prepared by taking a definite amount of solvent at room temperature and adding solute until no more will dissolve.</p> Signup and view all the answers

Define an unsaturated solution.

<p>An unsaturated solution is one in which further amounts of solute can be dissolved at a given temperature.</p> Signup and view all the answers

Define a super saturated solution.

<p>A super saturated solution is more concentrated than a saturated solution at a particular temperature.</p> Signup and view all the answers

Differentiate between dilute and concentrated solutions.

<p>A dilute solution contains relatively small amounts of solute, while a concentrated solution contains large amounts.</p> Signup and view all the answers

Define an aqueous solution.

<p>An aqueous solution is a solution in which water is the solvent.</p> Signup and view all the answers

How many physical states of solutions are there?

<p>There are three physical states of solutions: gaseous, solid, and liquid.</p> Signup and view all the answers

How can you distinguish between a solution and a pure liquid?

<p>A pure liquid evaporates completely, leaving no residue, while a solution leaves behind a residue on evaporation.</p> Signup and view all the answers

What are common components of a soft drink?

<p>Common components of a soft drink include water, carbon dioxide, salt, and sugar.</p> Signup and view all the answers

Study Notes

Solutions

  • A homogeneous mixture of two or more substances is called a solution.
  • Solutions exist in a single phase.
  • Components cannot be distinguished from one another.
  • Examples of solutions include sea water, air, soft drinks, and brass.

Properties of Solutions

  • Solutions exhibit the properties of their components.
  • The composition of a solution can be varied.

Components of a Solution

  • Solute: The component present in a smaller quantity.
  • Solvent: The component present in a larger quantity that dissolves the solute.
  • Examples: In an aqueous salt solution, salt is the solute and water is the solvent. In soft drinks, water is the solvent, and carbon dioxide, salt, and sugar are solutes.

Saturated Solution

  • A solution where no more solute can be dissolved at a given temperature is called a saturated solution.
  • It contains the maximum amount of solute possible at that temperature.
  • The dissolved and undissolved solute are in equilibrium.
  • Preparation: Add solute to solvent until no more dissolves. Excess solute will settle at the bottom of the container.

Unsaturated Solution

  • A solution where more solute can be dissolved at a given temperature.
  • Contains less solute than required to saturate it.

Supersaturated Solution

  • A solution that is more concentrated than a saturated solution at a particular temperature.

Dilute Solution

  • Contains a relatively small amount of solute.
  • Example: A solution containing 5g of sodium chloride (NaCl) in 1 dm3 of water.

Concentrated Solution

  • Contains a relatively large amount of solute.
  • Example: Brine, a concentrated solution of common salt (NaCl). 100g of NaCl in 1 dm3 of water would be a concentrated solution.

Aqueous Solution

  • A solution in which water is the solvent.
  • Examples: Sugar in water, salt in water.

Physical States of Solution

  • Gaseous Solutions: Example: Air
  • Solid Solutions: Example: Alloys, dental amalgam.
  • Liquid Solutions: Example: Sea water, soft drinks.

Identifying Solutions and Pure Liquids

  • Evaporation: A pure liquid will evaporate completely leaving no residue. A solution will leave a residue after evaporation.

Common Components of Soft Drinks

  • Soft drinks are commonly composed of water (solvent), sugar, carbon dioxide, flavorings, and preservatives.

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Description

Test your knowledge on the properties, components, and types of solutions. This quiz covers everything from defining solutions to understanding saturated solutions. Perfect for students studying chemistry!

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