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Standard enthalpy of formation is non ze...

Standard enthalpy of formation is non zero for

A

`O_2(g)`

B

`P_4`(white)

C

`S_8`(rhombic)

D

`P_4`(red)

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
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  2. Select the correct statement for isothermal expansion of an ideal gas

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  3. Standard enthalpy of formation is non zero for

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  5. Unit of equilibrium constant (Kc) for the reaction N2(g)+3H2(g)<impli...

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  6. pH of a neutral solution at 360 K is ( Kw at 360 K is 3.6×10^(-13))

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  7. pH of aqueous solution of CH3COONa is given by

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  8. If concentration of F^- in saturated solution of CaF2 is x then solubi...

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  9. If three salts AB(s), AC(s) and AD(s) have equal solubility product th...

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  10. For one mole of a diatomic gas, the ratio of heat transfer at constant...

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  11. The equimolar salt solutions having lowest pH is

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  12. Correct expression of Kc for the reaction 2Hl(g)<impliesH2(g)+I2(g) i...

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  13. The pH of a solution at 25°C that contains 10^(-10) M hydroxide ions (...

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  14. Equal weight of oxygen and He are mixed in a closed container . The fr...

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  15. The ratio of units of van der Waals constants a and b is

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  16. Equilibrium constants of reaction CaCO3(s)<impliesCaO(s)+CO2(g) is 0....

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  17. The heat of combustion of P4(white) to P4O10(s) is -5.4 kJ mol^(-1). T...

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  18. The work done and internal energy change during the adiabatic expansi...

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  19. The solubility of a solution of AgCI(s) with solubility product 1.6 xx...

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