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Glzljoy123go
Answered

2. Which of the following element causes the rusting of rocks?
A. hydrogen
B. calcium
C. iron
D. oxygen​

Sagot :

Bitamika14go

Answer:

C. Iron.

Explanation:

Iron that undergoes corrosion forms rust with the formula Fe2O3.xH2O. Rust is the result of corrosion, namely the oxidation of a metal. Corrosion or rusting is an electro chemical process. In the rusting process, iron (Fe) acts as a reducing agent and oxygen (O2) dissolved in water acts as an oxidizer.

Eggyolkgo

Answer:

Rust is a compound created by the interaction of oxygen and iron in the presence of water. As rust expands, it weakens rock and helps break it apart.

C or D

Explanation:

Rust forms when iron or its alloys are exposed to moist air.

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