Q:1-Fe + CuSO4 -> FeSO4 + Cu is an example of what type of reaction?
Mark one answer:

Single Replacement
Combustion
Double Replacement
Decomposition



Q:2-Which of the following creates a cramping sensation during intense exercise?
Mark one answer:

Glucose.
Pyruvate.
Lactate.
Protein.


Q:3-DNA is made up of which of the following nucleotides?
Mark one answer:

Adenine, Guanine, Cytosine, and Thymine
Uracil, Adenine, Guanine, and Thymine
Amenine, Cytosine, Galvine, Thymine
Ribose, Phosphate, Pentose, and Amine


Q:4-What is the total number of sulfur atoms represented in 3 Ca(SO4)3?
Mark one answer:

3
4
6
9


Q:5-The pH scale ranges from 0 to 14, where 0 is more _____ and 14 is more _____.
Mark one answer:

basic, acidic
neutral, acidic
acidic, neutral
acidic, basic


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Q:6-Glycolysis results in a net gain of how many ATP molecules?
Mark one answer:

0
1
2
4


Q:7-Fluorine, oxygen, and nitrogen would each form what type of bond with a hydrogen atom?
Mark one answer:

Polar bond
Covalent bond
Hydrogen bond
All of the above


Q:8-Which of the following is an example of a ionic bond?
Mark one answer:

NaCl
OH-
H3O+
COO-


Q:9-What does -COOH symbolize?
Mark one answer:

Hydroxyl group
Carboxyl group
Carbonyl group
Amino group


Q:10-Given enough time, unstable nuclei will:
Mark one answer:

lose protons.
evolve.
decay into a stable form.
degrade into a further unstable form.


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