Test - Unit 2 Matter Flashcards
1
Q
- When two or more substances are physically combined the result is a(n).
A
A. Mixture
Unit 2, Concept 1, page 3
2
Q
- Three examples of physical change are.
A
B. Boiling water, blowing up a balloon, and melting a candle
Unit 2, Concept 2, page 10
3
Q
- Increasing the surface area of a solid
A
A. Increases the speed of dissolving
Unit 2, Concept 4, page 33
4
Q
- A flask containing molecules of gas a and a separate flask containing molecules of gas b are both at the same temperature. Gas a and b must have equal?
A
D. Average kinetic energies
Unit 2, Concept 3, page 26
5
Q
- a type of matter formed by chemically joining two or more elements is known as a
A
A. Compound
Unit 2, Concept 1, page 2
6
Q
- Which shows the Tyndall effect?
A
A. Colloids
Unit 2, Concept 1, page 3
7
Q
- Which term best describes when particles escape from the surface of a liquid and become gaseous
A
B. Evaporation
Unit 2, Concept 3, page 28
8
Q
- Using the data table on the right determine the identity of a cube that measures 1.2cm on each side and has a mass of 18.15 grams
A
B. Silver
Unit 2, Concept 2, page 9
9
Q
- Fragrance of a flower
A
PP physical property
Unit 2, Concept 2, page 8
10
Q
- In terms of saturation how would you classify a KNO3 solution of 30g in 100 g of water at 40c
A
Unsaturated
Unit 2, Concept 4, page 32
11
Q
- Name one similarity between compounds and homogeneous mixtures and one difference
A
They are both matter, but a compound is and substance and a homo mixture is a mixture
Unit 2, Concept 1, page 4
