Which number indicates neutral on a pH scale?
A) 1
B) 5
C) 7
D) 3
E) 9
Correct Answer:
Verified
Q71: What is an element?
A) two or more
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A)
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Q74: Compounds are _.
A) molecules that have mass
B)
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Q77: Most organic compounds are made up of_.
A)
Q78: The most basic source of immediate energy
Q79: The pH scale is a quantitative representation
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Q81: Energy is the_ .
A) amount remaining to do
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