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Chemistry Unit 3: Solutions
Test Description: Elemental Science Chemistry for the Logic State, Unit 3: Solutions
Instructions: Answer all questions to get your test result.
1) Liquids that can be blended together.
A
Molecule
B
Mixture
C
Miscible
D
Immiscible
2) A homogenuos mixture of two or more substances.
A
Mixture
B
Solution
C
Solvent
D
Solute
3) A combination of two or more elements or compounds that are not chemically combined.
A
Miscible
B
Immiscible
C
Mixture
D
Solution
4) A substance that is formed when two or more atoms chemically join together.
A
Molecule
B
Solvent
C
Chromatography
D
Solubility
5) A substance that conducts electricity when it is in solution.
A
Anode
B
Cathode
C
Solute
D
Electrolyte
6) The positively charged electrode by which current enters the cell.
A
Electrolyte
B
Anode
C
Cathode
D
Solute
7) Liquids that cannot be blended together.
A
Immiscible
B
Mixture
C
Solution
D
Miscible
8) The ability of a solute to be dissolved.
A
Chromatography
B
Electrolyte
C
Solubility
D
Solvent
9) The substance that dissolves in the solvent to form a solution.
A
Solute
B
Molecule
C
Mixture
D
Electrolyte
10) A method of separating substances in a mixture by the rate they move through or along a medium, such as filter paper.
A
Electrolyte
B
Immiscible
C
Solubility
D
Chromatography
11) The substance in which the solute dissolves to form a solution, typically a liquid.
A
Miscible
B
Solubility
C
Solvent
D
Mixture
12) The negatively charged electrode by which current leaves the cell.
A
Electrolyte
B
Anode
C
Molecule
D
Cathode
13) The Law that states that a pure compound always contains the same elements in the same proportions.
A
Law of Combining Volumes, Guy-Lussac
B
Law of Constant Composition, Joseph-Louis Proust
C
Law of Constant Pressure, Jacques Charles
D
Law of Absolute Pressure, Robert Boyle
14) A solution that has a small amount of solute in relation to the amount of solvent.
A
Dilute solution
B
Concentrated solution
C
Unsaturated solution
D
Supersaturated solution
15) A large amount of solute in relation to the amount of solvent.
A
Concentrated solution
B
Unsaturated solution
C
Supersaturated solution
D
Dilute solution
16) What causes the negative and positive ions in electrolysis?
A
Electrical current is used to split a compound.
B
Magnetic Current is used to attract atoms.
C
Magnetic current is used to split a compound.
D
Electrical current is used to split atoms.
17) Positive ions are attracted to (a) and negative ions are attracted to (b) while some ions are given off as gas.
A
(a) electrode, (b) cathode
B
(a) electode, (b) anode
C
(a) anode, (b) cathode
D
(a) cathode, (b) anode
18) When a scientist uses a variety of methods to determine the components of a substance.
A
Quantitative Analysis
B
Qualitative Analysis
C
Qualitative Observation
D
Quantitative Observation
19) Water is considered a universal solvent because
A
it has a neutral pH .
B
it has 2 hydrogen.
C
it is a non-polar molecule.
D
it is a polar molecule.
20) Water ____________________ when it freezes.
A
expands
B
contracts
C
dissolves
D
evaporates
*select an answer for all questions
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