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The correct statements are :...

The correct statements are :

A

Smoke is carbon dispersed in air

B

Butter is water dispersed in fat

C

Greater is the valency of ion more will be its coagulating power

D

More is the gold number of a lyophobic sol, more is protecting power

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The correct Answer is:
A, B, C
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OP TANDON-MISCELLANEOUS (TOPICS OF GENERAL INTEREST)-SET-II: Obejctive Questions
  1. When mercuric iodide is added to aqueous KI solution:

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  2. The correct statements are :

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  3. Select the correct statements among the following:

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  4. Rate law for a chemical reactions is : Rate =k[A]^(1//2)[B]^(1) Ch...

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  5. Liquid benzene burns in oxygen according to: 2C(6)H(6)+15O(2) rarr 1...

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  6. For the reaction, N(2)H(4)(l)+2H(2)O(2)(l) rarr N(2)(g)+4H(2)O(g) ...

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  7. Which of the following electrolytes have same osmotic pressure as that...

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  8. Select the correct statements about the following reaction: N(2)(g)+...

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  9. Which among the following is/are correct about penetrating power ?

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  10. Select the natural series among the following:

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  11. Select the correct conclusion (s) about average life:

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  12. Which of the following statements are correct ?

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  13. Select the species having zero oxidation state at the underlined eleme...

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  14. PCl(5)(g) hArr PCl(3)(g)+Cl(2)(g) 'alpha' is the degree of dissociat...

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  15. In Wilson cloud Chamber, the track is formed by :

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  16. Select the correct relation :

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  17. For the first order reaction, t(99%) = x xx t(90%), the value of 'x' w...

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  18. Which among of the following has same kinetic energy as O(2) gas at NT...

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  19. Which among the following is correct about gamma-rays ?

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  20. The rms speed at NTP of a gas can be calculated from the expression:

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