Matter Test Flashcards
1
Q
- Which of the following is not a physical property
A
Odor
U2C2 pg-1
2
Q
- When two or more substances are physically combined
A
Element
U2C1 pg-1
3
Q
- Three examples of physical changes
A
Boiling water, blowing up a balloon, melting wax.
U2C3. Pg-2
4
Q
- Matter in which the particles are free in all directions until they have spread evenly throughout there container.
A
Gas
U2C2 pg-1
5
Q
- Increasing the surface area of a solid
A
Increases the spread of dissolving
U2C4 pg-2
6
Q
- A type of matter formed by chemical joining two or more elements is a
A
Compound
U2C1 pg-1
7
Q
- Which term best describes when particles escapes from the surface of a liquid and become gases.
A
Evaporation
U2C2 pg-1
8
Q
26.the particles in a liquid are usually
A
Closer together and lower in energy than gas
U2C2 pg-2
9
Q
- Peanut butter
A
Heterogeneous
U2C1 pg-3
10
Q
- rusting of a fishing pole
A
Chemical change
U2C2 pg-2
11
Q
- How many grams of NaCIO needed to make a saturated solution in 100g of water at 10c
A
180g
U2C4 pg-2
12
Q
- KBR solution of 30g in grams 100of water at 40 degrees c
A
Supersaturated
U2C4 pg-3
13
Q
- Heating curve
A
Gas
U2C2 pg-3
14
Q
53.Iron and oxygen form rust. What will happen to the mass of the rice compared to the mass of the iron and oxygen befor the reaction
A
Law of conservation and matter
U2C2 pg-3
15
Q
55.List and explain three factors that increase the solubility
A
- Size of the solute/ easier to dissolve.
2.heat of the solvent/the more the particles move.
3.stirring the solution/it gets the particle moving.
U2C4 pg-4
