Food Chemistry: Reagents and Solutions

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Questions and Answers

Which of the following is an example of an ionic solution mentioned in the text?

  • Air
  • Soda pop
  • Solution of sodium chloride (NaOH) in water (correct)
  • Seawater

What is a solution in food chemistry?

  • A mixture of two or more substances that can only consist of solvents
  • A mixture of two or more substances that can only consist of solutes
  • A mixture of two or more substances that is not homogeneous
  • A mixture of two or more substances that is homogeneous (correct)

What is the role of a solvent in a solution?

  • To be the diffusion medium for the solutes
  • To be the continuous phase in the solution
  • To make the solution heterogeneous
  • To dissolve the other component (correct)

What is a solute in a solution?

<p>A component that is dissolved in the solvent (C)</p> Signup and view all the answers

What property must a solution have to be considered homogeneous?

<p>It must have components that are evenly distributed (C)</p> Signup and view all the answers

Which substance serves as a good medium for the diffusion of many substances?

<p>Water (D)</p> Signup and view all the answers

What type of bond is responsible for the dissolution of sugar in water?

<p>Hydrogen bond (B)</p> Signup and view all the answers

What is a standard solution primarily used for?

<p>Determining the concentration of other substances in titration (B)</p> Signup and view all the answers

What property characterizes a concentrated solution?

<p>Contains a high amount of solute compared to solvent (A)</p> Signup and view all the answers

Which substance can be a primary standard for preparing a standard solution?

<p>Copper sulfate (CuSO4.5H2O) (B)</p> Signup and view all the answers

What effect does increasing the temperature of a solution have on the solubility of sugar in water?

<p>Increases the solubility (B)</p> Signup and view all the answers

What does a diluted solution contain compared to a concentrated solution?

<p>Lower amount of solute compared to solvent (B)</p> Signup and view all the answers

Which method is used for expressing the concentration of solutes in solutions?

<p>$Molar Concentration$ (D)</p> Signup and view all the answers

What must be ensured before making up a standard solution?

<p>The standard must be pure and chemically stable (B)</p> Signup and view all the answers

What type of bond is responsible for the dissolution of sodium chloride (NaCl) in water?

<p>Ionic bond (C)</p> Signup and view all the answers

What is a solute in a solution?

<p>The component that is dissolved in the solvent (B)</p> Signup and view all the answers

Which of the following is an example of an ionic solution mentioned in the text?

<p>Seawater (A)</p> Signup and view all the answers

What does a solution consist of?

<p>Homogeneous mixture of two or more substances (D)</p> Signup and view all the answers

Which substance serves as a good medium for the diffusion of many substances?

<p>Water (B)</p> Signup and view all the answers

What property characterizes a concentrated solution?

<p>High amount of solute dissolved in the solvent (D)</p> Signup and view all the answers

What is the purpose of a standard solution?

<p>To determine the concentration of other substances in titration (A)</p> Signup and view all the answers

What must be ensured before making up a standard solution?

<p>The solution must not absorb water from air (B)</p> Signup and view all the answers

How does increasing the temperature of a solution affect the solubility of sugar in water?

<p>Increasing the temperature raises the solubility of sugar in water (A)</p> Signup and view all the answers

What property characterizes a concentrated solution?

<p>It has a high amount of solute compared to solvent (C)</p> Signup and view all the answers

Which method is used for expressing the concentration of solutes in solutions?

<p>Molar concentration (D)</p> Signup and view all the answers

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