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(A): Antiferromagnetic substances posses...

(A): Antiferromagnetic substances possess almost zero magnetic moment
(R): There are no unpaired electrons in anti ferromagnetic substances 

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R ) is true

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-SOLID STATE-LEVEL - I (EXERCISE - II)
  1. {:("List - I","List - II"),("A) Crystal defect","1) Amorphous"),("B) C...

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  2. Which of the following is a ''Berthollide Compound''?

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  3. To get n-type semiconductor, impurity to be added to silicon should ha...

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  4. The mechanism of electrical conductivity may be given in terms of

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  5. The oxide that is insulator is

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  6. In which of the following the conductivity would be in the order of 10...

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  7. Which one of the following ratio gives the purity of the metal (rho-re...

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  8. Germanium can be made n-type semi conductor by doping with

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  9. Which one of the following statements is wrong

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  10. The magnetic behavior is different from others in

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  11. The magnetic susceptibility of a substance can be expressed as

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  12. Which of the following is correct statement

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  13. The general formula of ferrites is MFe(2)O(4). Where 'M' would not be

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  14. Which substance shows anti ferro magnetism?

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  15. The alignment of magnetic dipoles shown below uarr darr darr uarr darr...

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  16. {:("List - I","List - II"),("A) Crystal defect","1) Amorphous"),("B) C...

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  17. (A) : With increase in temperature the condicutivity of metals decreas...

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  18. (A): Metals are generally good conductors of electricity (R) : Elect...

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  19. (A): Antiferromagnetic substances possess almost zero magnetic moment ...

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  20. (A): Fe(3)O(4) is ferrimagnetic at room temperature but becomes parama...

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