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Elemental Chemistry Unit 7
Test Description: Chemistry of Industry
Instructions: Answer all questions to get your test result.
1) Soaps and detergents
A
both A and B
B
cannot dissolve in water.
C
have a water loving head and a grease loving tail.
D
neither A or B
2) Using the condensation method for making a polymer...
A
a molecule of oil is released when the bond between two monomers is broken.
B
a molecule of water is released when the two monomers join.
C
a molecule of oil is released when two monomers join
D
a molecule of water is released when the bond between two monomers is broken.
3) Which statement is completely true?
A
Most pure metals are weak and soft but are strengthened when combined with a non-metal.
B
Most pure metals are hard and strong but are weakened when combined with another metal.
C
Most pure metals are soft and weak but are hardened when combined with another metal.
4) Crude oil is heated into hydrocarbons to...
A
bond with other air molecules to form new forms of fuel.
B
chemically combine the product during condensation.
C
separate the different products during condensation.
5) What are the raw materials for making ammonia?
A
nitrogen and hydrogen
B
nitrogen and oxygen
C
hydrogen and nitrates
D
hydrogen and oxygen
6) ________________ is the catalyst for ammonia production
A
Iron
B
Zinc
C
Magnesium
D
Copper
7) Dyes are different than pigments because...
A
Pigments coat the surface of a material, dyes bond with the material
B
Dyes coat the surface of a material, pigments bond with the material
8) Examples of natural fibers are...
A
Cotton, Wool and Silk
B
Wool, Cotton and Acrylic
C
Cotton, Rayon and Silk
D
Polyester, Acrylic and Nylon
9) Examples of synthetic fibers are...
A
Cotton, Wool and Silk
B
Polyester, Acrylic and Nylon
C
Cotton, Rayon and Silk
D
Wool, Cotton and Acrylic
10) There are two groups of ceramics, those which...
A
are made bricks and pottery.
B
are molded and then heated and those that are heated and then molded.
C
break easily under pressure and those that do not.
D
are made of glass and cement
11) Detergents are made from fats, while soaps are not.
A
False
B
True
12) Every Industrial plant needs access to raw materials, energy and water?
A
False
B
True
13) Adhesives stick by forming bonds with the objects they are joining together.
A
False
B
True
14) Smelting is the chemical process of extracting metal from ore.
A
True
B
False
15) Coke is produced when coal is burned with air.
A
True
B
False
16) The organic farmer uses no natural or synthetic fertilizers or food supplements.
A
False
B
True
17) Natural Dyes are made from wood or murex shells.
A
True
B
False
18) Synthetic dyes are made by adding Neon and Iron to a colorless chemical which comes from distilling petroleum or coal tar.
A
True
B
False
19) The cosmetic industry does not regularly use emulsifying agents.
A
False
B
True
20) The extrusion process is critical to forming nylon threads.
A
True
*select an answer for all questions
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