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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
acid
B
base
C
pH
D
indicator
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
between 5 and 7
B
below 4
C
above 10
D
around 7
3) Pepsi, vinegar, orange juice: What property do all three of these common household substances have in common?
A
They all have a pH above 7
B
They all turn litmus paper blue.
C
They all taste bitter
D
They are all acidic.
4) Mixtures can be separated by physical means, such as, filtration, sifting, and ____________.
A
Mixtures
B
Evaporation
C
Sanding
5) In a _____________________ bond, the atoms are bound by shared valence electrons.
A
Ionic
B
Stolen
C
Covalent
D
Shared
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
chemical properties
B
boiling point
C
color change
D
melting point
8) Water is heated and evaporates. What type of change is described?
A
chemical change
B
physical change
C
nuclear change
D
energy change
9) To determine the density of a carton of milk, you would measure
A
the length and vollume
B
the mass and volume
C
its length
D
its weight
10) What is the pH range of a base?
A
5 - 7
B
7.1 - 14
C
0 - 6.9
D
0 - 3
*select an answer for all questions
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