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Unit 2: Chemisty Of Life
Test Description: Unit 2: Chemistry of Life
Instructions: Answer all questions to get your test result.
1) Which of the following elements is found in all organic compounds?
A
Carbon
B
Argon
C
Potassium
D
Neon
2) Which of the following correctly lists two elements common to most organic compounds?
A
Carbon and potassium
B
Sulfur and oxygen
C
Hydrogen and fluorine
D
Carbon and oxygen
3) 1.Organic compounds can be distinguished from inorganic compounds because organic compounds always -
A
have higher boiling and melting points
B
make up the largest molecules that exist
C
will conduct electricity and be magnetic
D
Contain carbon and certain other elements
4) 2.Which of the following lists of elements includes those commonly found in organic compounds?
A
Copper, iron, zinc and aluminum
B
Hydrogen, oxygen, phosphorus and nitrogen
C
Boron, silicon, arsenic and selenium
D
Neon, helium, argon and zenon
5) Which of the following chemicals is an inorganic compound?
A
Phosphotungstic acid (H3PW12O40)
B
Tartaric acid (C4H6O6)
C
Octane (C8H18)
D
Milrinone (C12H9N3O)
6) Vitamin B12, also known as cobalamin, has the following chemical structure: (C63H88CoN14O14P) What makes vitamin B12 an organic compound?
A
Vitamin B12 contains oxygen, which is needed by all living organisms.
B
Vitamin B12 contains a significant amount of carbon, as well as other elements.
C
Vitamin B12 does not contain sulfur, which is only found in inorganic substances.
D
Vitamin B12 cannot be separated into different elements.
7) Ibuprofen is an organic compound that has the following chemical formula: C13H18O2 Why is ibuprofen an organic compound?
A
Ibuprofen contains a large amount of carbon and other elements.
B
Ibuprofen is a simple compound found in biotic and abiotic factors.
C
Ibuprofen contains one oxygen atom for every nine hydrogen atoms.
D
Ibuprofen is produced naturally from minerals combining on Earth's surface.
8) Farnesol is an organic compound. It has the chemical formula: C15H26O Why is farnesol an organic compound?
A
Farnesol contains a significant amount of helium
B
Farnesol contains a significant amount of carbon.
C
Farnesol contains a significant amount of nitrogen.
D
Farnesol contains a significant amount of oxygen.
9) Which of the following chemicals is an organic compound?
A
Ammonia (NH3)
B
Selenic acid (H2SeO4)
C
Water (H2O)
D
Alanine (C3H7NO2)
10) Historically, organic compounds were considered to be compounds that were produced by living organisms. Today, organic compounds are considered to be compounds that —
A
contain a large amount of carbon in addition to other elements.
B
only take the form of a solid.
C
do not contain more than three elements.
D
are not reactive.
*select an answer for all questions
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