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Science CBSE Homework Assignments
Class 10
Acids, Bases and Salts
Acids, Bases and Salts
2.
pH range
Question:
3
m.
1
.
The potential of hydrogen of bases ranges from
\(0\) to \(7\)
\(7\) to \(14\)
\(0\) to \(14\)
.
2
. The pH of
rain water
is
\(7\)
\(2\)
\(8\)
less than \(7\)
.
3
.
\({Ca(OH)_2}\)
when treated with
phenolphthalein
there is
Change to colourless
Change to pink colour
No change
.
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