The size of colloidal particles ranges b...

The size of colloidal particles ranges between

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1-1000 nm.

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The size of colloidal particle is

The size of colloidal particles ranges from

each question contain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Dispersed phase particles of colloidal solution cannot pass through ultra -filter paper. STATEMENT-2: The size of colloidal particles are larger than the size of true solution particles.

The size of the colloid particles is :

Assertion: Colloidal solution exhibit Tyndall effect while true solution particles. Reason: Because the size of the colloidal particles is large enough to scatter light as compared to size of the true solution particles.

The size of clay particles is

Correct the following statements by changing the underlined part of the sentence (Do not change the whole sentence) The size of the colloidal particles is of the order of ul("0.1 nm -1 nm.")

Assertion (A) An ordinary filter paper impregnated with collodion solution stops the flow of colloidal particles. Reason (R) Pore size of the filter paper becomes more than the size of colloidal particle. (a)Assertion and reason both are correct and the reason is correct explanation of assertion. (b)Assertion and reason both are correct but reason does not explain assertion. (c)Assertion is correct, but reason is incorrect. (d)Both assertion and reason are incorrect.

The separation of colloidal particles from the particles having molecular dimensions by electricity is known as

ICSE-SURFACE CHEMISTRY -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (VERY SHORT ANSWER QUESTIONS)

KCl is added to Fe(OH)3 sol?
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What is the main cause of charge on a colloidal solution?
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How are gold number and protective power of colloid related?
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What is demulsification ?
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Give four uses of emulsions.
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What are micelles ? Give an example of a micellers system.
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How does soap help in washing clothes?
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What modification can you suggest in the Hardy-Schulze law?
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Why is it essential to wash the precipitate with water before estimati...
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Why lyophilic colloidal sols are more stable than lyophobic colloidal ...
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How can a colloidal solution be distinguished from the true solution o...
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Colloidal solution can be made in water and in air as media. What dist...
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Of NH3 and N2 which gas will be adsorbed more readily on the surface o...
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What is the basic difference between adsorption and absorption.
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What is meant by 'shape-selective catalysis' of reactions ?
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What are lyophobic colloids? Give one example for them.
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How can we make dialysis fast?
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What is meant by Gold number of starch is 10-15?
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The size of colloidal particles ranges between
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Explain why river mouths have to periodically dredged to keep it navig...
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