Test - Unit 2 Matter Flashcards
1
Q
- What is another name for a homogenous mixture?
A
B. Substance
U2 C1 Classification of Matter
Pg 3
2
Q
- Increasing the surface area of a solid…
A
A. Increases the speed of dissolving.
U2 C4 Solubility
Pg 33
3
Q
- Milk, paint, and mayonnaise are all example of…
A
B. Heterogenous Mixtures
U2 C1 Classification of Matter
Pg 3
4
Q
- The particles in a liquid are usually…
A
D. Closer together and lower in energy than in a gas.
U2 C3 States of Matter
Pg 27
5
Q
- Is salad dressing homogenous or heterogenous?
A
Heterogenous
U2 C1 Classification of Matter
Pg 3
6
Q
- Label the five parts of a heating curve.
A
- Solid 2. Melting Point 4. Boiling Point 5. Gas
U2 C3 States of Matter
Pg 28
7
Q
50a. What is point A?
A
Evaporation
U2 C3 States of Matter
Pg 28
8
Q
50b. What is point C?
A
Condensation
U2 C3 States of Matter
Pg 28
9
Q
- Name two places you can find plasma.
A
Neons and Auroras
U2 C3 States of Matter
Pg 27
10
Q
- Iron and oxygen react to form rust. What will happen to the mass of the rust compared to the mass of the iron and oxygen before the reaction? Explain why this will occur.
A
The mass will remain the same because the Law of Conservation of Matter states that matter is not gained or lost during a physical change.
11
Q
- List and explain 3 factors that increase the solubility rate of a substance.
A
Smaller solute size increases the surface area of the solute so that the solvent has more places for contact.
U2 C4 Solubility
Pg 33
