Q670
Soap helps in better cleaning of clothes because
A.
Soap acts like catalyst
B.
It reduces the surface tension of solution
AnswerC.
It gives strength to solution
D.
It absorbs the dirt
Answer: Option B
Solution
Answer: Option B
Solution:
Soap helps to lower the surface tension of solution, thus soap get stick to the dust particles and grease and these are removed by action of water.