Q207
Emulsification of dirt means 1. water is discarded. 2. greasy gramuals from fabric enters into water. 3. alkali from soap alkaline solution. 4. action of water on soap. Select the correct answer
A.
Only 1
B.
1 and 2
C.
1, 2 and 3
D.
All of these
AnswerAnswer: Option D
Solution
Answer: Option D
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