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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
atoms
B
compounds
C
indicators
D
elements
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
pH paper
C
litmus paper
D
phelphthalien
3) Blue litmus paper turns ____ in an acid
A
pink
B
yellow
C
blue
D
red
4) Phenolphthalein turns pink in the presence of a(n) ____.
A
neutral
B
acid
C
base
D
mixture
5) This says that matter is neither created nor destroyed, but can change form.
A
chemical equations
B
law of gravity
C
cell theory
D
law of conservation of matter
6) The arrow in a chemical reaction means ____.
A
increases
B
equals
C
yields or makes
D
is eaten by
7) Substances that are mixed and are on the left side of the arrow of a chemical equation are called ___.
A
acids
B
reactants
C
mixtures
D
products
8) Properties that can be observed and measured without changing the kind of matter being studied are:
A
chemical changes
B
chemical properties
C
physical changes
D
physical properties
9) Which of the following are examples of physical properties?
A
color, melting point, boiling point, density
B
burning, rusting
C
paper tearing
D
giving off a gas (bubbles)
10) Which of the following are examples of chemical properties?
A
paper tearing
B
color, melting point, boiling point, density
C
giving off a gas (bubbles)
D
burning, rusting
*select an answer for all questions
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