(A) Carbon (X)
(B) Arsenic (X)
(C) Nitrogen ()
(D) Sulphur (X)
Answers: . Which of the following element doesnot show allotropy Nitrogen.
(A) Carbon (X)
(B) Arsenic (X)
(C) Nitrogen ()
(D) Sulphur (X)
Answers: . Which of the following element doesnot show allotropy Nitrogen.
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