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The statement that is not true about ozo...

The statement that is not true about ozone is :

A

it is a toxic gas and its reaction with `NO` gives `NO_(2)` .

B

chlorine free radicals (Cl) which reacts with `O_(3)` to give chlorine dioxide radicals .

C

in the stratosphere , it forms a protective shield against UV radiation .

D

in the atmosphere , it is depleted by CFCs.

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JEE MAINS PREVIOUS YEAR ENGLISH-JEE MAINS 2020-CHEMSITRY
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  2. The correct statement with respect to dinitrogen is :

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  3. The major product obtained from the following reaction is :

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  4. A solution of two components containing n1 moles of 1^(st) component a...

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  5. The INCORRECT statement is :

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  6. Consider the Assertion and Reason given below. Assertion (A) : Ethe...

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  7. Arrange the following solutions in the decreasing order of pOH : (A...

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  8. Among the sulphates of alkaline earth metals the solubilities of BeSO4...

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  9. The major products of the following reaction are : CH3 -overset(CH...

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  10. The major product of the following reaction is :

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  11. A sample of toothpaste weighing 500 g, on analysis was found to contai...

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  12. Which of the following compounds shows geometrical isomerism ?

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  13. The set that contains atomic numbers of only transition elements , is ...

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  14. The variation of equilibrium constant with temperature is given below ...

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  15. Kraft temperature is the temperature :

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  16. For the reaction Fe2N(s)+(3)/(2)H2(g)=2Fe(s)+NH3(g)

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  17. The species that has a spin -only magnetic moment of 5.9 BM , is : (...

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  18. Which of the following Lanthanides element do not show stable +4 oxida...

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  19. Consider the following reaction A to P1, B to P2 , C to P3 , D to P4...

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  20. In an estimation of bromine by Carius method , 1.6 g of an organic co...

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  21. Potassium chlorate is prepared by the electrolusis of KCl in basic med...

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