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Unit 1 Review

Quiz by Abigail Henderson

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21 questions
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  • Q1

    what is being dissolved in a solution

    solute

    solvent

    precipitate

    solution

    30s
  • Q2

    a solution where the solvent is water

    aqueous solution

    solvent dilution

    dissolution rate

    solute concentration

    30s
  • Q3

    measurement of the amount of solute in a solution

    aqueous solution

    concentration

    dilution

    agitation

    30s
  • Q4

    measure of the amount of solvent in a solution

    dilution

    agitation

    concentration

    temperature

    30s
  • Q5

    Which of the following statements correctly compares elements and compounds?

    Compounds are formed of atoms.  Elements are are only formed from molecules.

    Molecules that contain only one kind of atom are pure elements.  Molecules that contain more than one kind of atom are compounds.

    Molecules that contain only one kind of atom are compounds, while molecules that contain more than one kind of atom are pure elements.

    Elements can be broken down into compounds which cannot be broken down into simpler substances.

    30s
  • Q6

    Chemists organize the elements into a system called the --

    periodic table

    chemical properties

    30s
  • Q7

    The periodic table shows each element's --

    chemical formula

    chemical symbol

    30s
  • Q8

    two ore more atoms held together by chemical bonds

    molecule

    mixture

    element

    30s
  • Q9

    any substance composed of identical molecules consisting of atoms of two or more chemical elements

    element

    precipitate

    compound

    30s
  • Q10

    smallest unit that can be divided

    element

    compound

    atom

    30s
  • Q11

    Which of the following actions increases the concentration of an aqueous solution?

    increasing the amount of solute

    decreasing the amount of solute

    increasing the solute and solvent in equal amounts

    increasing the amount of solvent

    30s
  • Q12

    An aqueous mixture is a ------ in which a substance is combined with water

    mixture

    compound

    30s
  • Q13

    In an aqueous solution, water is the ----- while the substance dissolved in the water is called the ---- .

    solute; solvent

    solvent; solute

    30s
  • Q14

    If you evaporate the solvent from an aqueous solution, you ------ the concentration of the solution.

    increase

    decrease

    30s
  • Q15

    Dilution of a solution ----- a solution's concentration.

    decreases

    increases

    30s

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