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When 45 g of an unknown compound was dis...

When 45 g of an unknown compound was dissolved in 500 g of water, the solution has freezing point of `-0.93^(@)C`
(i) What is the molecular weight of compound ? `(K_(f)=1.86)`
(ii) If empirical formula is `CH_(2)O`, what is the molecular formula of compound ?

A

Angular momentum and torque

B

Torque and entropy

C

Power and angular momentum

D

None

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -1 A
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  2. The pair of physical quantities having the same dimensional formula

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  3. When 45 g of an unknown compound was dissolved in 500 g of water, the ...

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  4. The pair of physical quantities not having the same dimensional formul...

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  9. Find SI units of thermal resistance.

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  11. The dimensional formula of the physical quantity whose S.I. unit is fa...

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  12. The dimensional formula of the physical quantity whose S.I. unit is Hm...

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  13. The pair of quantities haivng neither units nor dimensions is

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  14. Dimensionless quantity is

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  15. Dielectric constant has the same dimensions

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  17. Choose the false statement

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  18. The pair of quantities haivng same units and dimensions is

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  19. (he)/(4 pi m) has the same dimensions as (h = Planck's constant , e =...

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  20. M/(Vr) has the dimensions of (M = Magnetic moment, V = velocity , r = ...

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