APPSC Group-I Prelims 2019 Paper II · Question 85

Question 85 of the APPSC Group-I Prelims 2019 Paper II (26 May 2019). Try it first, then open the answer and explanation.

1. Prelims 2019 · P-II · Q85 · Science & Technology · General Science

   The Statue of Liberty is green because of

   స్టాచ్యు ఆఫ్ లిబర్టీ ఆకుపచ్చగా ఉంటుంది కారణం

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   Answer: Oxidized copper

   సమాధానం: ఆక్సిడైజ్డ్ రాగి

   The statue's outer skin is copper. Over the years the copper reacted with air and moisture and formed a green layer (patina) of copper carbonate and other copper salts.

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