Advertisements
Advertisements
Question
Statement: To stop bleeding from an injury, ferric chloride can be applied. Which comment about the statement is justified?
Options
It is not true, ferric chloride is a poison.
It is true, Fe3+ ions coagulate blood which is a negatively charged sol.
It is not true; ferric chloride is ionic and gets into the blood stream.
It is true, coagulation takes place because of formation of negatively charged sol with Cl−.
Advertisements
Solution
It is true, Fe3+ ions coagulate blood which is a negatively charged sol.
APPEARS IN
RELATED QUESTIONS
Which one of the is not a surfactant?
On which of the following properties does the coagulating power of an ion depend?
Peptising agent is added to convert precipitate into colloidal solution. Explain with an example.
What happens when a colloidal sol of Fe(OH)3 and As2S3 are mixed?
What is the difference between sol and gel?
Why are lyophillic colloidal sols are more stable than lyophobic colloidal sol?
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 the is not a surfactant?
