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Science 7 Module 4 Summative Assessment

Quiz by Melva D. Borja

Grade 7
Science
Philippines Curriculum: Grades K-10 (MELC)

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10 questions
Show answers
  • Q1
    When copper sulfate crystals are dissolved in water, the mixture is known as __________.
    a solute
    an emulsion
    a solvent
    a solution
    30s
    S7MT-Ic-2
  • Q2
    Which one of the following statements is correct?
    The solvent in seawater is salt.
    A solute dissolves in a solvent to make up a solution.
    A solution dissolves in a solvent to make up a solute.
    A solute dissolves in a solution to make up a solvent.
    30s
    S7MT-Ic-2
  • Q3
    Which one of the following substances is known as the universal solvent?
    Air
    Water
    Alcohol
    Oil
    30s
    S7MT-Ic-2
  • Q4
    When sugar is dissolved in water, sugar is known as __________.
    the solution
    the solvent
    the suspension
    the solute
    30s
    S7MT-Ic-2
  • Q5
    Something that can be dissolved in a solution is called
    colloid
    soluble
    suspension
    insoluble
    30s
    S7MT-Ic-2
  • Q6
    The solubility of sodium chloride in 100 grams of water at 20ºC is 36 grams. Which one of the following statements is incorrect?
    When the water is heated gently, more sodium chloride will dissolve.
    18 grams of sodium chloride will dissolve in 50 grams of water at a temperature of 20ºC.
    Cooling the water will cause less sodium chloride to dissolve.
    The solubility of sodium chloride at 15ºC is 36 grams of sodium chloride per 100 grams of water.
    30s
    S7MT-Ic-2
  • Q7
    The solubility curve for potassium nitrate is shown in the diagram. When 80 grams of potassium nitrate is added to 100 grams of water at 20ºC and stirred, the solution is said to be __________.
    Question Image
    saturated
    diluted
    supersaturated
    unsaturated
    30s
    S7MT-Ic-2
  • Q8
    You are given a 40 mL solution in a beaker. You add solute to the beaker and it dissolves. The solutions was
    saturated
    supersaturated
    unsaturated
    colloid
    30s
    S7MT-Ic-2
  • Q9
    How can you tell the saturation of a solution?
    It will look cloudy.
    Drink it.
    Add more solute.
    Stir it.
    30s
    S7MT-Ic-2
  • Q10
    When a solution is saturated:
    Two materials have combined to create a clear liquid
    No additional material will dissolve in it
    Crystals form
    You need to stir it more
    30s
    S7MT-Ic-2

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