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PASS Chem 3 Review
Test Description: Acids bases and more chemistry topics SC Standards 7th grade
Instructions: Answer all questions to get your test result.
1) Substances that can be used to determine whether a substance is an acid or base
A
elements
B
compounds
C
indicators
D
atoms
2) Paper that has a special dye that shows a RANGE of colors (blues, greens, pinks, oranges) in the presence of an acid or base
A
water
B
litmus paper
C
pH paper
D
phelphthalien
3) Blue litmus paper turns ____ in an acid
A
pink
B
red
C
blue
D
yellow
4) Phenolphthalein turns pink in the presence of a(n) ____.
A
mixture
B
base
C
neutral
D
acid
5) This says that matter is neither created nor destroyed, but can change form.
A
law of conservation of matter
B
cell theory
C
chemical equations
D
law of gravity
6) The arrow in a chemical reaction means ____.
A
yields or makes
B
is eaten by
C
equals
D
increases
7) Substances that are mixed and are on the left side of the arrow of a chemical equation are called ___.
A
reactants
B
mixtures
C
products
D
acids
8) Properties that can be observed and measured without changing the kind of matter being studied are:
A
physical changes
B
chemical properties
C
physical properties
D
chemical changes
9) Which of the following are examples of physical properties?
A
color, melting point, boiling point, density
B
burning, rusting
C
giving off a gas (bubbles)
D
paper tearing
10) Which of the following are examples of chemical properties?
A
giving off a gas (bubbles)
B
paper tearing
C
burning, rusting
D
color, melting point, boiling point, density
*select an answer for all questions
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