Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Groups
Community ▾
A
A
Why does a detergent help water clean oily cloth? | StemPy Lab
Quizzes
/
Why does a detergent help water clean oily cloth?
Physics
Easy
High School (11–12)
Mechanics › Surface Tension and Capillarity
Created by
StemPy Lab
Why does a detergent help water clean oily cloth?
It lowers the water's surface tension, so the water spreads into the fibres and lifts the oil
It raises the water's surface tension
It makes the water heavier
It makes the oil evaporate
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← A glass tube is dipped in mercury. The mercury inside the tube stands lower than outside. Why?
A capillary tube is shorter than the height water would rise in it. What happens when it is dipped in water? →
More on
Mechanics › Surface Tension and Capillarity
Discussion (0)
Log in
to join the discussion.
Loading…
All questions on this topic →
Problems on this topic
Answer, and give a reason. Why does a towel soak up water?
Easy
A clean glass tube of radius 0.40 mm is dipped in water and tilted at 45° to the vertical.
Medium
A glass tube of radius 0.80 mm is dipped in mercury.
Medium
A clean glass tube of radius 0.35 mm stands in water.
Easy
All problems on this topic →