Which of the following CAN be used for giving glitter to a corroded copper article?a) Lemon juiceb) Tamarind juiceSilver nitrate solution d) All of these3) Which of the following elements reacts vigorously with water?
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Lemon juice can be used for giving glitterr to a corroded copper particle.
Explanation:
When we tested lemon juice and magnesium mixture with the burning stick I found the following results:
- When I bought a burning stick near to the lemon juice, the flame of the stick blows of as liquid doesn’t support burning.
- When I bought a burning stick near to the magnesium mixture, the magnesium mixture started to burn with a flame and it released heat. As magnesium has a high inclination towards the fire, it fires quickly.
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Lemon Juice
Copper vessels gets tarnished because of the formation of copper oxide layer on its surface. While copper oxide is basic in nature, lemon is acidic. Therefore when we rub lemon juice to a tarnished copper vessel, the basic copper oxide reacts with citric acid present in lemon juice to form a salt that is washed away with water and the copper vessel gets cleaned
Explanation:
- When copper vessels are exposed to moisture, they form a green coating of basic copper carbonate [CuC03.Cu(0H)2].
- Sour substances such as lemon juice contain acid. Lemon juice has citric acid and this acid dissolve coating of the basic copper carbonate or copper oxide present on the surface of a tarnished copper vessel and thus make it shining red-brown again
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