Question

E
A
2
3
1
1
2
5
5
2
3
5
2
1
IV. Passage type questions:
2) One
c) Zero
"Oxidation number is also defined as a number which indicates the loss or gain or sharing of elect
by an atom during the formation of a chemical compound".
Sum of oxidation of all the atoms in a molecule is equal to
b) Two
d) Three
The oxidation number of an atom in its form is always vero
a) Tonic
b) Elementary
c) Molecular
d) Excited
Oxidation number of Mg in MgOis
a)-2
b) + 2
c) + 1
d)-1
7.
8​

Answer 1

Answer:

didn't know I didn't know I didn't know

Answer 2

Explanation:

Two

Elementary

) + 2

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