Test - Unit 2 Matter

Question 1

4. When two or more substances are physically combined, the result is a(n) A. Chemical change B. Element C. Compound D. Mixture

Answer 1

D. Mixture - page 1

Question 2

8. The color of ink is a _________

A. Physical property B. Physical property C. Chemical change D. Chemical property

Answer 2

B. Physical property- page 1

Question 3

16. Increasing the surface of a solid ______
    A. Increase the speed of dissolving B. Causes the solid to freeze C. Has no effect on the speed of dissolving D. Slows the speed of dissolving

Answer 3

A. Increases the speed of dissolving - page 2

Question 4

21. A type of matter formed by chemically joining two or more elements is known as a
    A. Compound B. Solution C. Colloid D. Suspension

Answer 4

A. Compound - page 2

Question 5

36. Is the fragrance of a flower \_\_\_\_\_\_\_\_
Physical property (PP) Physical change (PC) Chemical property (CP) Chemical change (CC)

Answer 5

Physical properties (PP) - page 3

Question 6

45. In terms of saturation, how would you classify a KBr solution with a concentration of 90g in 100g of water and 10C

Answer 6

Super saturated - page 3

Question 7

50. Label A C and F on the states of matter picture to the right

Answer 7

A.sublimation
C.condensation
F. Freezing - page 4

Question 8

51. Name two places you can find plasma

Answer 8

In the Universe, stars - page 4