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Chemistry
Test Description: Mixtures, Elements and Compounds
Instructions: Answer all questions to get your test result.
1) Two or more substances that are together, but not chemically combined
A
Mixture
B
Compound
C
Molecule
D
Element
2) Two or more different elements that are combined chemically
A
Solution
B
Mixture
C
atom
D
Compound
3) How many elements are on the Periodic Table
A
About 120
B
92
C
About 20
D
About 50
4) Which of the following is a compound
A
Iron
B
Sugar
C
Aluminum
D
Oxygen
5) Mixtures are different than compounds because
A
mixtures always have a solute
B
mixtures are not chemically combined
C
Mixtures are not made of elements
D
Mixtures do not contain compounds
6) The substance that gets dissolved in a solution is called the
A
solvent
B
molecule
C
solute
D
colloid
7) An element is
A
A combination of two or more substances that are not chemically combined
B
A pure substance made of only one kind of atom
C
Wind, fire, earth and water
D
A pure substance made of more than one type of atom chemically combined
8) Which of the following is not a compound
A
Salt water
B
Sugar
C
Salt
D
Water
9) A chemical change occurs when
A
a liquid boils
B
a substance is dissolved
C
a mixture is made
D
a compound is formed
10) In the lego activity, one lego represented
A
a compound
B
an element
C
an element or an atom
D
an atom
*select an answer for all questions
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