Question

7. Question number 8 carry 5 marks each.
Section -A
Objective type questions.
Q.1 Multiple-choice question -
1.) Ortho and para hydrogen are differ by-
A)Atomic no Batomic mass C) electron spin D) nuclear spin
2.)Which of the followinh element is most electro negative--
D.)
A.)Br
B.)F C.)​

Answer 1

Answer:

1 electro spin

2 beryllium

Explanation:

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