The nature of solution in which there is no colour with blue and red litmus papers.

if no color change in both then it's a neutral solution..

Red paper that does not change color indicates the sample is an acid. Blue paper that does not change color indicates the sample is a base.

you need to give more information

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.