Marble statues often slowly get corroded when kept in open for long ti

1.	Marble statues often slowly get corroded when kept in open for long time. Assign a suitable example.
Answer» SO₂,NO₂ gases are released into the atmosphere from various sources. These dissolve in rain water to give acid which corrodes marble statues 2SO₂+ O₂ → 2SO₃ H₂O + SO₃ → H₂SO₄ 2NO₂+ H₂O → 2HNO₃ CaCO₃+ H₂SO₄→ CaSO₄ + H₂O + CO₂ CaCO₃+ 2HNO₃ → Ca(NO₃)₂+ H₂O + CO₂

Marble statues often slowly get corroded when kept in open for long time. Assign a suitable example.

Answer»

SO₂,NO₂ gases are released into the atmosphere from various sources. These dissolve in rain water to give acid which corrodes marble statues

2SO₂+ O₂ → 2SO₃

H₂O + SO₃ → H₂SO₄

2NO₂+ H₂O → 2HNO₃

CaCO₃+ H₂SO₄→ CaSO₄ + H₂O + CO₂

CaCO₃+ 2HNO₃ → Ca(NO₃)₂+ H₂O + CO₂

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Marble statues often slowly get corroded when kept in open for long time. Assign a suitable example.

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