What is least affected by chemical weathering?
A. a bridge made of iron rods
B. a statue made of marble
C. a chair made of plastic
D. a pile of tiles made of feldspar
C. a chair made of plastic
Chemical weathering is the process by which rocks and minerals are broken down or altered through chemical reactions. Certain materials are more resistant to chemical weathering than others. To determine which of the given options is least affected by chemical weathering, we need to consider the properties of each material.
A. A bridge made of iron rods: Iron is susceptible to chemical reactions with oxygen and water, resulting in the formation of iron oxide or rust. Therefore, an iron bridge is not the best choice as it can be affected by chemical weathering.
B. A statue made of marble: Marble is primarily composed of calcium carbonate, which is highly reactive to acidic compounds. Acid rain, for example, can significantly erode marble surfaces over time. Hence, a marble statue is susceptible to chemical weathering.
C. A chair made of plastic: Plastic is a synthetic material that is inert and does not readily react with environmental factors, including chemical agents. Therefore, a chair made of plastic is generally less affected by chemical weathering.
D. A pile of tiles made of feldspar: Feldspar is a mineral that is commonly found in many rocks. While feldspar can undergo certain chemical reactions, it is relatively resistant to weathering processes compared to other minerals. However, since feldspar tiles are still composed of minerals, they can still be affected by chemical weathering to some extent.
Based on the options provided, the material least affected by chemical weathering would be C. a chair made of plastic. Plastic is a durable and non-reactive material that is less prone to chemical weathering compared to iron, marble, or feldspar.