Question

1. Minerals in soil are identified by _______, ___________, and _________ properties.

A. colors, shapes, and optical
B. colors, shapes, and size
C. pigments, shapes, and size
D. physical, diameter, and optical

2. Glass may be discriminated by __________, ___________, and __________ characteristics.

a. color, size, and elemental
b. color, size, shape
c. physical, color, and optical
d. physical, optical, and elemental

3. Which analytical technique would be utilized by a trace examiner for the physical identification of soil, paint, and glass.

a. Microscopy
b. Chromatography
c. Electrophoresis
d. None of the Above

5. Various glass containers and windows contain inexpensive soda-lime glass with a high __________ and __________ content.

a. potassium, sulfur
b. potassium, silicon
c. sodium, calcium
d. sulfur, calcium

6. The support within paint is provided by the ___________ component, which is a polymeric substance.

7. The __________ component of paint is commonly a mixture of inorganic and organic compounds and imparts color.

8. The opacity and hiding components in paint is provided by the __________.

a. binder
b. pigment
c. extender
d. All of the Above

Answer 1

1. Minerals in soil are identified by colors, shapes and optical properties.
2. Glass may be discriminated by color, size, and elemental characteristics.
3. Microscopy is the analytical technique that would be utilized by a trace examiner for the physical identification of soil, paint, and glass.

5. Various glass containers and windows contain inexpensive soda-lime glass with a high calcium and sodium content.

6. The support within paint is provided by the binder component, which is a polymeric substance.

7. The pigment component of paint is commonly a mixture of inorganic and organic compounds and imparts color.

8. The opacity and hiding components in paint is provided by the pigment.