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acid rain

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This is for a planning lab investigating the effect of acid rain on building materials. I'm planning to use the type of material as my independent variable. I know that limestone/sandstone/marble are significantly affected by acid rain, but are there any types of building materials that AREN'T really affected by acid rain? I can't think of any since I know acid rain corrodes metals (iron/copper) too...

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hey, i need to do the same experiment :) fast!!

could you please tell me more about the planning parts of your experiment? i mean what was the hypothesis, what substances you used, etc.

thank you..

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it will depend on the concentration of the acid! in the end of the day if there's more CO2+ SO2 in the air, the stronger the acid rain, and the better the corrosion. so if you look at it in that terms, there might not be anything that is unaffected by it...

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thanks, but i managed to complete it and hand it to my teacher..

but now that i think i might have made a mistake. i planned to use HCl acid as "acid rain". but there is no HCl in acid rain! damn...

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