Chemistry MCQs for Class 12 with Answers Chapter 5 Surface ...

Chemistry MCQs for Class 12 with Answers Chapter 5 Surface ...

 · 6. The protective power of lyophilic colloidal is expressed in terms of a value b number c CMC Critical Micelle Concentration d oxidation numbers. Answer/Explanation. Answer: b Explaination: b number measures protective power of colloids. Lower the number more will be protective power, e.g., gelatin. [email protected]

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Colloidal sol found effective in treating eye disease is

Colloidal sol found effective in treating eye disease is

Colloidal found in treating eye disease is A colloidal sulphur B colloidal antimony C colloidal D colloidal silver. Check A

Question Bank for JEE Main & Advanced Chemistry Surface ...

Question Bank for JEE Main & Advanced Chemistry Surface ...

On addition of one ml solution of [10%NaCl] to 10 ml in the presence of 0.25 gm of starch, the is just prevented. Starch has the following number [MP PET/PMT 1988] A

Assertion: Fe3+ can be used for coagulation of As2S3 sol. Re

Assertion: Fe3+ can be used for coagulation of As2S3 sol. Re

AIIMS 2006: Assertion: Fe3+ can be used for of As2S3 . Reason: Fe3+ reacts with As2S3 to give Fe2S3. A If both assertion and reason a

Which of the following is most effective in causing the coag

Which of the following is most effective in causing the coag

The of 200 mL of a positive colloid took place when 0.73 g HCl was added to it without changing the volume much. The flocculation value of HCl for the colloid is JIPMER 2016

Coagulation value of the electrolytes `AlCl_3` and NaCl ...

Coagulation value of the electrolytes `AlCl_3` and NaCl ...

A colloidal solution is subjected to an electrical field. The particles move towards anode. The of same is ... Calculate value of if for of 400 ml of a , 427.2 milli-grams of ... Which one of the following electrolytes for the of ...

write the most effective electrolyte on the coagulation of ...

write the most effective electrolyte on the coagulation of ...

K 4 [FeCN 6] is the electrolyte on of Fe 2 O 3.H 2 O/Fe 3+ solution. Answered by Varsha | 14th Jan, 2018, 08:28: PM Related Videos

Important Questions for Class 12 Chemistry Chapter 5 ...

Important Questions for Class 12 Chemistry Chapter 5 ...

 · Important Questions for Class 12 Chemistry Chapter 5 Surface Chemistry Class 12 Important Questions Surface Chemistry Class 12 Important Questions Very Short Answer Type Question 1. Define the term ‘Tyndall effect’. Delhi 2009 Answer: Tyndall effect : When a beam of light is passed through a colloidal solution and viewed perpendicular to the path of […]

`5ml` of standard gold sol, needs `0.5 mg` of gelation for ...

`5ml` of standard gold sol, needs `0.5 mg` of gelation for ...

The of 100 mL of a colloidal is completely prevented by addition of 0.03 g of Haemoglobin to it before adding 1 mL of 10% NaCl solution. Calculate the number of Haemoglobin.

coagulation in mineral processing,Gold Crushing Machine Old

coagulation in mineral processing,Gold Crushing Machine Old

and flocculation : theory and applications in ... Written by over 15 international experts in the field, " and Flocculation": treats the Gouy-Chapman theory of an isolated planar charged surface and the DLVO theory describing the interaction between two identical charged surfaces shows which energies are responsible for structure formation, what types of structure can ...

Which one of the following is most effective in causing ...

Which one of the following is most effective in causing ...

As2S3 is a negative . It is obvious that cations are in coagulating negative sols. According to Hardy Schulze rule, greater the valency of the coagulating ion, greater is its coagulating power. Thus, out of the given, AlCl3Al3+ for causing of As2S3 .

Out of AlCl3 and NaCl, which is more effective in causing ...

Out of AlCl3 and NaCl, which is more effective in causing ...

is more causing a negative . Explanation: The of the negative depends on the charge that is present on the opposite sign charge of the salt ions. The given is negative so we will consider only the positive ions charge of the given salts. NaCl is …

Which of the following electrolytes is least effective in ...

Which of the following electrolytes is least effective in ...

Which of the following electrolytes ? asked Sep 8, 2020 in Surface Chemistry by Susmita01 46.2k points surface chemistry class-12 0 votes. 1 answer. Explain what is observed when. 1. KCl, an electrolyte, is added to an hydrated ferric hydroxide .

Which of the following electrolytes is the most effective ...

Which of the following electrolytes is the most effective ...

Hence Na₃PO₄ electrolyte for the of FeOH₃ which is a positively charged . New questions in Chemistry Differentiate between acids …

Which of the following is most effective electrolyte in ...

Which of the following is most effective electrolyte in ...

 · K 4 [FeCN 6].. Greater the valence of the flocculating ion, greater is its ability to bring as per Hardy-Schulze rule. Thus, K 4 [FeCN 6] in coagulating AgI/ Ag +.

Which of the following electrolyte will be most effective ...

Which of the following electrolyte will be most effective ...

1 For of A s 2 S 3 , +ve ions are . 2 For of aluminium hydroxide solution, B a 2 + ions are more than N a +. 3 Cellulose solution is an example of the multimolecular colloid system. 4 A colloidal solution of metals such as , silver etc are prepared by Bredigs arc method.

Which of the following ions is most effective in the ...

Which of the following ions is most effective in the ...

Which of the following ions of ferric hydroxide solution ? ... Which of the following electrolytes solution? 0:58 300+ LIKES. ... Which of the following electrolytes will not be of fold …

Which electrolyte will be most effective ionin the ...

Which electrolyte will be most effective ionin the ...

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MP Board Class 12th Chemistry Solutions Chapter 5 Surface ...

MP Board Class 12th Chemistry Solutions Chapter 5 Surface ...

“ number is the number of miligrams of protective colloid Lyophilic which on adding prevents the of 10 ml. standard by addition of 1 ml. of 10% NaCl solution.” Thus smaller the value number, higher is it’s protecting action. For example, number of gelatin and gum arobic are 0.005 and 015 respectively.

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