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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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