Which of the following are examples of t...

Which of the following are examples of the null set ?
(i) Set of odd numbers divisible by 2.
(ii) Set of even prime numbers.
(iii) `A={x:x in N,1 lt x le 2}`
(iv) `B={x:x in N, 2x + 3=4}`
(v) `C={x:x " is prime " , 90 lt x lt 96}`
(vi) `D={x:x in N, x^2+1=0}`
(vii) `E=={x:x in W, x+3 le 3}`
(viii) `F={x:x in Q, 1 lt x lt 2 }`
(ix) `G={0}`

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