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P-1 Chemical reactions and equations — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Chemical reactions and equations5 Marks
Question
What is corrosion? Do gold ornaments corrode? Justify.
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Answer

(i) The slow process of decay or destruction of metal due to the effect of air, moisture and acids on it is known as corrosion.
(ii) Gold ornaments do not get corroded.
(iii) Gold is a noble metal and is least reactive.
(iv) It does not react with water or any of the gases present in the atmosphere. Common acids do not have any effect on gold.
(v) Thus, gold ornaments do not corrode.

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