pH Answers
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1
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Identify each substance as an acid or a base.liquid drain cleaner, pH 13.5
A
acidicB
basicC
neutral2
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milk, pH 6.6
A
acidicB
basicC
neutral3
Which substance would be the closest to a neutral pH?
A
household bleachB
vinegarC
sodaD
blood4
Choose the most acidic substance in the group.
A
lemon juice, pH = 2.25B
orange juice, pH = 3.75C
milk, pH = 6.6D
seawater, pH = 85
Choose the most alkaline substance in the group.
A
soda, pH = 2.5B
household vinegar, pH = 3C
distilled water, pH = 7.0D
milk of magnesia, pH = 10.56
Which of these substances has the highest pOH?
A
0.10 M HCl, pH = 1B
0.001 M HNO3, pH = 3C
0.01 M NaOH, pH = 127
Which of these substances is the most basic (alkaline)?
A
solution A, pOH = 1.5B
solution B, pOH = 7.0C
solution C, pOH = 13.58
Which of these substances is the least acidic?
A
solution A, pOH = 1.5B
solution B, pOH = 7.0C
solution C, pOH = 13.59
Which of these substances has the lowest pH?
A
0.5 M HBr, pOH = 13.5B
0.05 M HCl, pOH = 12.7C
0.005 M KOH, pOH = 2.310
n =
A
4B
–4C
10D
–10
12
n =
A
3B
–3C
11D
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