Soap helps in better cleaning of clothes because
A. Soap acts like catalyst
B. It reduces the surface tension of solution
C. It gives strength to solution
D. It absorbs the dirt
Answer: Option B
Solution(By Examveda Team)
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.Related Questions on Chemistry
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
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