A drop of a full unit in the pH scale ________.
A) reduces the acidity 10×
B) increases the acidity 10×
C) reduces the acidity 2×
D) increases the acidity 2×
Correct Answer:
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Q49: The pH of blood is approximately _.
A)
Q50: What is the pH of an aqueous
Q51: A change in pH from 10 to
Q52: The conjugate base of H₂PO₄- is _.
A)
Q53: The conjugate base of HCO₃- is _.
A)
Q55: Which solution is the most basic solution?
A)
Q56: The conjugate acid of HCO₃- is _.
A)
Q57: Which substance is the most basic?
A) blood
B)
Q58: What is the hydrogen-ion concentration of an
Q59: Which substance is the most acidic?
A) coffee
B)
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