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#1 2017-10-18 04:21:12
- shakeel123
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Which pair of elements is chemically similar?
9th Class Karachi Board Exams Quizzes MCQs Quizzes Karachi Board 9th Class Chemistry Online Test 2
Question:
Which pair of elements is chemically similar?
Option A):
N,O
Option B):
K, Cr
Option C):
Cu, Ca
Option D):
F, Cl
Correct Answer is Option D):
F, Cl
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