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प्रश्न
Assertion: Coagulation power of Al3+ is more than Na+.
Reason: greater the valency of the flocculating ion added, greater is its power to cause precipitation.
विकल्प
if both assertion and reason are true and reason is the correct explanation of assertion.
if both assertion and reason are true but reason is not the correct explanation of assertion.
assertion is true but reason is false.
both assertion and reason are false.
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उत्तर
if both assertion and reason are true and reason is the correct explanation of assertion.
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संबंधित प्रश्न
Fog is colloidal solution of ____________.
In an electrical field, the particles of a colloidal system move towards the cathode. The coagulation of the same sol is studied using
I. K2SO4
II. Na3PO4
III. K4[Fe(CN)6]
IV. NaCI
Their coagulating power should be
On which of the following properties does the coagulating power of an ion depend?
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?
Comment on the statement:
Colloid is not a substance but it is a state of substance.
Explain any one method for coagulation.
Which one of the is not a surfactant?
Which one of the is not a surfactant?
