3rd 6 Weeks Test Review
Quiz by Kimberly Holland
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- Q1
When a solid melts to form a liquid, this is known as a _____________.
phase change
radiation
alkaline material
leavening agent
30s - Q2
What is the definition of CONDUCTION?
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks
When heat transfers from objects that are touching
no heat transfer occurs
When heat is transferred from objects like rays of light or electromagnetically
30s - Q3
What is the definition of CONVECTION?
when molecules of gas or liquid circulate heat, causing it to transfer
When heat is transferred from objects like rays of light or electromagnetically
When heat transfers from objects that are touching
30s - Q4
What is the definition of RADIATION?
When heat transfers from objects that are touching
when molecules of gas or liquid circulate heat, causing it to transfer
When heat is transferred from objects like rays of light or electromagnetically
30s - Q5
When baking with leavening agents such as baking soda, what must also be added in order for the batter to rise?
water and yeast
an alkaline such as kale
an acid such as citrus
baking soda only
30s - Q6
A substance is found to have the following characteristics:
Very bitter taste
Feels slippery to the touch
Produces OH- ions when dissolved in water
In what category would the substance be classified?
acid
enzyme
fatty acid
alkaline
30s - Q7
KOH is ...
an alkaline base
a salt
an acid
30s - Q8
Which of these pH values represent an acid?
8
12
10
4
30s - Q9
Which of the following are properties of acids?
They taste sour
will be found in the lower numbers on the pH scale
They produce H+ ions when dissolved in water
All of the answer choices are correct
30s - Q10
If a higher the concentration of negative (hydroxide) ions in is created when a substance is dissolved in water, what type of substance must it have been?
an acidic substance
an alkaline substance
30s - Q11
HCl is ...
an alkaline base
an acid
a salt
30s - Q12
Evaporation
The classification of matter as a solid, a liquid, or a gas
The temperature at which a substance changes states from a solid to a liquid
The temperature at which a substance changes from a liquid to a solid
Physical change in matter from a liquid to a gas
30s - Q13
At what temperature in degrees Celsius does water freeze?
0
100
32
150
30s - Q14
What is the boiling point of water?
100 F
100 C
0 C
50 C
30s - Q15
What is happening at the boiling point?
liquid to solid
solid to liquid
gas to liquid
liquid to gas
30s