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The Amazing World of Solutes, Solvents, and Solutions

Science · Class 8 · All

ScienceClass 8AllEasy
Q1/15
45s

Which statement correctly describes a true solution?

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All 15 questions in this quiz

  1. Which statement correctly describes a true solution?

    1. The particles settle at the bottom.
    2. The components are visible separately.
    3. The solute is evenly distributed throughout the solvent.
    4. It can be separated by simple filtration.

  2. Which of the following is a solvent in lemonade?

    1. Sugar
    2. Lemon juice
    3. Water
    4. Salt

  3. Soft drinks contain which gas dissolved under pressure?

    1. Oxygen
    2. Hydrogen
    3. Carbon dioxide
    4. Nitrogen

  4. Which of the following is NOT a factor affecting the rate of dissolving?

    1. Stirring
    2. Temperature
    3. Size of solute particles
    4. Colour of the container

  5. Which of the following is called the universal solvent?

    1. Alcohol
    2. Petrol
    3. Water
    4. Kerosene

  6. Which method is commonly used to recover salt from salt solution?

    1. Filtration
    2. Evaporation
    3. Sedimentation
    4. Handpicking

  7. A solution that can still dissolve more solute is called:

    1. Saturated solution
    2. Unsaturated solution
    3. Concentrated solution
    4. Suspension

  8. A solution in which no more solute can dissolve at a given temperature is called:

    1. Dilute solution
    2. Unsaturated solution
    3. Saturated solution
    4. Colloidal solution

  9. Which factor generally increases the solubility of most solid solutes in water?

    1. Lower temperature
    2. Higher temperature
    3. Less stirring only
    4. Lower pressure

  10. Which of the following substances is insoluble in water?

    1. Sugar
    2. Salt
    3. Sand
    4. Baking soda

  11. The ability of a substance to dissolve in a solvent is called:

    1. Solubility
    2. Density
    3. Pressure
    4. Conductivity

  12. Which of the following is an example of a solution?

    1. Sand and water
    2. Oil and water
    3. Salt dissolved in water
    4. Iron filings and sand

  13. The substance that dissolves the solute is called the:

    1. Compound
    2. Solvent
    3. Mixture
    4. Residue

  14. In a sugar solution, sugar is called the:

    1. Solvent
    2. Solute
    3. Mixture
    4. Residue

  15. Which of the following best defines a solution?

    1. A pure element
    2. A homogeneous mixture of a solute and a solvent
    3. A heterogeneous mixture of solids
    4. A compound formed by a chemical reaction