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Soap helps in cleaning clothes, because |
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(a) |
chemical of soap change |
(b) |
it increases the surface tension of the solution |
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|
(c) |
it absorbs the dirt |
(d) |
it lowers the surface tension of the solution |
|
|
Soap helps in cleaning clothes, because |
|
|||
|
(a) |
chemical of soap change |
(b) |
it increases the surface tension of the solution |
|
|
(c) |
it absorbs the dirt |
(d) |
it lowers the surface tension of the solution |
|
it lowers the surface tension of the solution