Advertisements
Advertisements
प्रश्न
Why does the bleeding stop by rubbing moist alum?
Advertisements
उत्तर
Blood is a colloidal sol. When we nib the injured part with moist alum then coagulation of blood takes place. Hence main reason is coagulation, which stops the bleeding. Therefore bleeding stop by rubbing moist alum.
APPEARS IN
संबंधित प्रश्न
Statement: To stop bleeding from an injury, ferric chloride can be applied. Which comment about the statement is justified?
The coagulation values in millimoles per litre of the electrolytes used for the coagulation of As2S3 are given below
(I) (NaCl) = 52
(II) (BaCl2) = 0.69
(III) (MgSO4) = 0.22
The correct order of their coagulating power is:
What happens when a colloidal sol of Fe(OH)3 and As2S3 are mixed?
Comment on the statement:
Colloid is not a substance but it is a state of substance.
Write a note on electro osmosis.
Which one of the is not a surfactant?
Which one of the is not a surfactant?
Which one of them is not a surfactant?
Which one of the is not a surfactant?
Which one of the is not a surfactant?
