Test 10

1. In 1833 Berzelius formulated the … of polymerism

1. concept

2. theory

3. principle

4. method

2. The problem of protection of the environment is closely connected with the problem of … of polymers.

1. Pollution

2. Investigation

3. Definition

4. Production

3. The … of synthetic plastics is celluloid.

1. Origion

2. Beginner

3. Ancestor

4. Form

4. Plastics with cross-linked polymers … cannot be softened.

1. Forms

2. Ranges

3. Chains

4. Structures

5. Clouds are formed from …

1. Water vapour

2. Evaporation

3. The hydrologic cycle

4. Ground water

6. Carbon … to occur in two crystalline forms.

1. Know

2. Is known

3. Knows

4. It is known

7. The material for … organic chemicals used to be found in the sea.

1. Producing

2. Produce

3. Produced

4. Being produced

8. … these salts decompose.

1. On being heated

2. Having heated

3. On heated

4. Heating

9. It may seem strange that may came rather late to the … of organic polymers.

1. Examination

2. Creation

3. Discovery

4. Invention

10. Most of the organic chemical we have are…

1. False

2. Unreal

3. Artificial

4. Assumed

Keys to tests

Test 1

1 a 2 b 3 d 4 a 5 c 6 b 7 d 8 b 9 c 10 a

Test 2

1 a 2 c 3 b 4 a 5 d 6 c 7 d 8 a 9 b 10 d

Test 3

1 b 2 a 3 a 4 d 5 c 6 d 7 b 8 a 9 b 10 d

Test 4

1 b 2 d 3 c 4 d 5 a 6 c 7 b 8 a 9 a 10 d

Test 5

1 c 2 a 3 b 4 b 5 d 6 a 7 c 8 d 9 c 10 b

Test 6

1 b 2 b 3 a 4 d 5 a 6 c 7 b 8 d 9 c 10 a

Test 7

1b 2 d 3 b 4 a 5 c 6 d 7 b 8 a 9 c 10 a

Test 8

1 d 2 d 3 b 4 c 5 d 6 a 7 c 8 b 9 a 10 a

Test 9

1 c 2a 3 d 4 a 5 b 6 d 7 a 8 c 9 b 10 d

Test 10

1 a 2 d 3 c 4 c 5 a 6 b 7 a 8 a 9 a 10 c