Which of the following is a physical property of silver? - When silver comes in contact with ammonia, a shiny grey solution is formed
- When silver is combined with nitric acid, a new substance is formed
- When pure silver is pounded into a sheet, it has a grey color
- When silver contacts moist air, it forms a back silver oxide compound

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Explanation:

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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.