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प्रश्न
Which of the following interface cannot be obtained?
विकल्प
Liquid-liquid
Solid-liquid
Liquid-gas
Gas-gas
उत्तर
Gas-gas
Explanation:
Gas-gas interface cannot be obtained as they are completely miscible in nature.
For example, air is a mixture of various gases such as \[\ce{O2, N2, CO2}\] etc.
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संबंधित प्रश्न
Define the following terms: Lyophilic colloid
Out of sulphur sol and proteins, which one form multimolecular colloids?
Give reasons for the following observations: Lyophilic sol is more stable than lyophobic sol.
What are lyophilic and lyophobic sols? Give one example of each type. Why are hydrophobic sols easily coagulated?
How are colloids classified on the basis of Physical states of components
How are colloids classified on the basis of Nature of dispersion medium
How are colloids classified on the basis of Interaction between dispersed phase and dispersion medium?
Which of the following colloids cannot be coagulated easily?
(i) Lyophobic colloids.
(ii) Irreversible colloids.
(iii) Reversible colloids.
(iv) Lyophilic colloids.
Match the items given in Column I and Column II.
| Column I | Column II |
| (i) Protective colloid | (a) \[\ce{FeCl3 + NaOH}\] |
| (ii) Liquid-liquid colloid | (b) Lyophilic colloids |
| (iii) Positively charged colloid | (c) Emulsion |
| (iv) Negatively charged colloid | (d) \[\ce{FeCl3}\] + hot water |
Differentiate between the following:
Lyophobic Sol and Lyophilic Sol
