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Which of the following statement is not ...

Which of the following statement is not correct ?

A

The coagulation of lyophilic sol is reversible while that of a lyophobic sol is irreversible in nature.

B

Metal hydroxides in water are examples of lyophobic sol.

C

The extent of chemisorption initially decreases with increase in temperature.

D

The efficiency of solid catalyst depends upon its surface area.

Text Solution

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The correct Answer is:
D
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MODERN PUBLICATION-MOCK TEST PAPER -2-MCQs
  1. Which of the following statement is not correct ?

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  2. P4O6 and P4O10 are anhydrides of :

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  3. Which of the following has the highest mass ?

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  4. Of the following transitions in hydrogen atom, the one which gives an ...

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  5. In the reaction 2(CH3)2CO overset(OH^(-))to X underset((ii) H3O^(+))...

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  6. Which of the following does not give oxygen on heating ?

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  7. Element with atomic number 49 belongs to the period ……..and the group ...

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  8. The molecule which has pyramidal shape is :

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  9. Which of the following in most acidic ?

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  10. Which of the following will react with Br2 most readily ?

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  11. CH3COOH is reduced with LiAlH4 to give :

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  12. 50 mL of a gas A diffuse through a membrane in the same time as for th...

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  13. Liquefied petroleum gas (LPG) is used as a household fuel. During liqu...

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  14. The ratio of K(p)// K(c ) for the reaction : CO(g)+(1)/(2)O(2)(g)h...

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  15. When phenol is distilled with Zn dust it gives

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  16. Three moles of PCl(5) , three moles of PCl(3) and two moles of Cl(2) a...

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  17. Oxidation states of carbon atoms in methane and ethane are :

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  18. Bakelite is obtained by the condensation of phenol with :

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  19. The pH of a 0.02 M Ca(OH)2 solution of 25^@C is :

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  20. The number of tetrahedral voids in the unit cell of a face centred cub...

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