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Science TNSB Mentoring
Class 9
Acids, bases and salts
pH scale
1.
pH ranges
Question:
3
m.
1
.
The potential of hydrogen of acids ranges from
\(0\) to \(7\)
\(7\) to \(14\)
\(0\) to \(14\)
.
2
.
Seawater
has pH of
4
\(7\)
\(8\)
6
.
3
. The
power of hydrogen
of
base
solution is
equal to \(7\)
less than \(7\)
greater than \(7\)
.
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