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Select the incorrect statement among the...

Select the incorrect statement among the following

A

Photochemical smog are oxidising agents

B

Clean water would have a BOD value less then 5 ppm

C

During formation of classical smog the level of ozone in the atmosphere goes down

D

Ozone depletion potential is maximum in CFC's

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AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
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  8. For the reversible reaction NaNO3(s) hArr NaNO2(s) + (1/2)O2(g) .The ...

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  9. A metal crystallizes in BCC lattice. If the diameter of metal atom is ...

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  10. Choose the incorrect statement among the following.

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  11. Two chemically non-reactive gases are separately contained in two vess...

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  12. 28 g of N2 at 299.6 K having a pressure of 2.46 atm occupy

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  13. Numerical value of universal gas constant 'R' depends on

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  14. Units of van der Waal's constants 'a' and 'b' are respectively

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  15. A system absorbs 600 J of heat and does a work of 200 J on its surroun...

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  16. For an isothermal expansion of an ideal gas

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  17. ΔH - ΔE for the combustion of gaseous propane at temperature T is

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  18. Calculate ΔH for the reaction- Al + Cr2O3 → Cr + Al2O3 When enthalpy o...

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