A process in which substances chemically rearrange to form a new substances. which one will form a new substances?

12 is probably the typical age for a first kiss but i think its to young.

(no3)⁻n has oxidation number x,o has oxidation number -2.(x*1 -2*3) charge of the nitrate ion, and we know that charge of the nitrate ion =-1.so,(x*1 -2*3) =-1x-6=-1x=+5answer a. +5.

Answer(true);

The ratio is 3: 2. i.e. c.