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Which of the following reactions gives a...

Which of the following reactions gives a colloidal substance?

A

`MgCO _(3) to MgO + CO^( +)_(2)`

B

`2HNO _(3) + 3H_(2)S to 3S + 4H_(2) O + 2NO`

C

`2Na + 2H_(2)O to 2Na OH^(+) H^(+)_(2)`

D

`Cu + Cu Cl _(2) to Cu _(2) Cl _(2).`

Text Solution

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The correct Answer is:
B
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MODERN PUBLICATION-SURFACE CHEMISTRY -MULTIPLE CHOICE QUESTIONS (LEVEL -II)
  1. The stability of a lyophobic colloid is due to

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  2. When potassium iodide is added to silver nitrate solution. The sol for...

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  3. Which of the following reactions gives a colloidal substance?

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  4. The cause of Brownian movement is:

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  5. 00 mL of a colloidal solution is completely precipitated by addition o...

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  6. At CMC the surfact molecules:

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  7. Which of the following is not correct regarding the adsorption of a ga...

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  8. The Langmuir adsorption isotherm is deduced using the assumption

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  9. Which one of the following will have the highest. coagulating power fo...

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  10. Which of the following is less than sero during adsorption?

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  11. Adsorption of gases on solid surface is generally an exothermic proces...

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  12. Alum helps in purifying water by:

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  13. Which of the following statements is not correct regarding physical ad...

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  14. Rate of physisorption increases with:

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  15. Identify the correct statement regarding enzymes:

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  16. Volume of a colloidal particle, V(c ) as compared to the volume of a s...

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  17. The coagulating power of an electrolyte for arsenious sulphide sol dec...

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  18. Select the wrong statement.

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  19. Select the wrong statement

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  20. Adsoption is an exothermic process. The amount of substance adsorbed s...

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