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How are the following colloids different from each other in respect of their dispersion medium and dispersed phase?
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1
|
4424
|
November 1, 2016
|
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Explain what is observed,
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1
|
655
|
November 1, 2016
|
|
In reference to Freundlich adsorption isotherm
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1
|
1552
|
November 1, 2016
|
|
Artificial rain is caused by spraying salt over clouds
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0
|
8875
|
November 1, 2016
|
|
Why is it essential to wash the precipitate with water before estimating it quantitatively?
|
|
0
|
1707
|
November 1, 2016
|
|
Give reasons for the following observations:
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|
1
|
7955
|
November 1, 2016
|
|
Gelatin which is a peptide, is added in ice-creams. What can be its role?
|
|
0
|
3386
|
November 1, 2016
|
|
Give four uses of emulsions
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|
0
|
1740
|
November 1, 2016
|
|
What are emulsions? What are their different types?
|
|
1
|
886
|
November 1, 2016
|
|
What modification can you suggest in the Hardy-Schulze rule?
|
|
0
|
4291
|
November 1, 2016
|
|
How are the following colloidal solutions prepared?
|
|
1
|
2905
|
November 1, 2016
|
|
Write the dispersed phase and dispersion medium of the following colloidal systems
|
|
1
|
11675
|
November 1, 2016
|
|
Comment on the statement that colloid is not a substance but a state of substance
|
|
0
|
6412
|
November 1, 2016
|
|
What do you understand by activation of adsorbent? How is it achieved?
|
|
0
|
5175
|
November 1, 2016
|
|
What are the factors which influence the adsorption of the gas on a solid?
|
|
0
|
796
|
November 1, 2016
|
|
Do the vital functions of the body such as digestion get affected during fever?
|
|
1
|
5308
|
November 1, 2016
|
|
Why is desorption important for a substance to act as good catalyst?
|
|
0
|
2366
|
November 1, 2016
|
|
What is the role of diffusion in heterogeneous catalysis?
|
|
0
|
2683
|
November 1, 2016
|
|
Why are substances like platinum and palladium often used for carrying out electrolysis of aqueous solutions?
|
|
0
|
6085
|
November 1, 2016
|
|
How does a solid catalyst enhance the rate of combination of gaseous molecules?
|
|
0
|
2196
|
November 1, 2016
|
|
Why do physisorption and chemisorption behave differently with rise in temperature?
|
|
0
|
3670
|
November 1, 2016
|