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Tardigrade
Question
Chemistry
A lot of scum formation was observed during washing with hard water. The washing powder could be
Q. A lot of scum formation was observed during washing with hard water. The washing powder could be
33
127
Surface Chemistry
Report Error
A
C
17
H
33
COON
a
B
C
D
none of these
Solution:
Calcium and magnesium salts in hard water form insoluble salts of higher fatty acids.
2
C
17
H
33
COON
a
(aq.)
+
C
a
2
+
(aq.) (Hard water)
⟶
(
C
17
H
33
COO
)
2
C
a
(
s
)
+
2
N
a
+
(
aq.
)