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Chemistry Unit 2
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Substances that can be used to determine whether a solution is an acid, a base, or neutral are called _________________.
A
pH
B
base
C
indicator
D
acid
2) Oven cleaner is a highly caustic chemical that reacts with baked on foods. It is dangerous to the touch and has a very slippery feel. What is the likely pH of oven cleaner?
A
around 7
B
above 10
C
below 4
D
between 5 and 7
3) Pepsi, vinegar, orange juice: What property do all three of these common household substances have in common?
A
They all taste bitter
B
They all turn litmus paper blue.
C
They are all acidic.
D
They all have a pH above 7
4) Mixtures can be separated by physical means, such as, filtration, sifting, and ____________.
A
Evaporation
B
Sanding
C
Mixtures
5) In a _____________________ bond, the atoms are bound by shared valence electrons.
A
Shared
B
Ionic
C
Stolen
D
Covalent
6) When metals bond with nonmetals they form _____________ bonds.
A
covalent
B
stolen
C
ionic
D
shared
7) The temperature at which liquid changes into a gas.
A
melting point
B
color change
C
chemical properties
D
boiling point
8) Water is heated and evaporates. What type of change is described?
A
chemical change
B
energy change
C
physical change
D
nuclear change
9) To determine the density of a carton of milk, you would measure
A
its weight
B
its length
C
the length and vollume
D
the mass and volume
10) What is the pH range of a base?
A
0 - 3
B
0 - 6.9
C
5 - 7
D
7.1 - 14
*select an answer for all questions
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