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Mn2O7 ൽ ന്റെ Mn ഓക്സീകരണവസ്തു എത്ര ?

A+4

B+6

C+3

D+7

Answer:

D. +7

Read Explanation:

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  1. (i) Newland arranged the elements in the order of increasing atomic masses and gave the law of Octaves.
  2. (ii) Sodium is the eighth element after lithium.
  3. iii) Calcium is the eighth element after Beryllium.
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