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Acidic Rains

Which 2 gasses produce acidic rains? What are 2 main sources of these gases? What type of stonework does this mainly affect?

Reply 1

Kaz_xx

Sulphur dioxide and nitrogen oxide. Comes from the burning of fossil fuel and vehicles. Affects limestone

Reply 2

M.A Shadow

Original post by Kaz_xx

Sulphur dioxide and nitrogen oxide. Comes from the burning of fossil fuel and vehicles. Affects limestone

Thank You

Reply 3

Joinedup

Original post by M.A Shadow

Which 2 gasses produce acidic rains? What are 2 main sources of these gases? What type of stonework does this mainly affect?

You can find all this information by typing 'acid rain' into wikipedia

Reply 4

M.A Shadow

Original post by M.A Shadow

Thank You

But Stone can be preserved by using calcium sulphate coating, waxing, or silicone impregnation. How do these work?

Reply 5

M.A Shadow

Original post by Kaz_xx

Sulphur dioxide and nitrogen oxide. Comes from the burning of fossil fuel and vehicles. Affects limestone

But Stone can be preserved by using calcium sulphate coating, waxing, or silicone impregnation. How do these work?

Reply 6

Joinedup

Original post by Kaz_xx

Sulphur dioxide and nitrogen oxide. Comes from the burning of fossil fuel and vehicles. Affects limestone

Give a man a fish...
:wink:

Reply 7

Ðeggs

Carbon dioxide also acidifies rainwater when it dissolves, the primary cause of ocean acidification due to global warming. Producing carbonic acid which was once an antiseptic used by Joseph Lister in the late Victorian era. And yes it dissolves limestone slowly, you can see evidence of this in places like the Yorkshire Dales.

Reply 8

Kaz_xx

Original post by M.A Shadow

But Stone can be preserved by using calcium sulphate coating, waxing, or silicone impregnation. How do these work?

Calcium sulphate causes the limestone to corrode. When limestone (calcium carbonate) reacts with acid rain (sulphur dioxide) it produces calcium sulphate which causes it to corrode.