Answer
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Hint: Platinum is one of the rare metals on earth and is also called the noble metal as it is not found in combined states in natural surroundings.
Complete answer:
Platinum is the least reactive of all the options. Aluminium, iron are also formed in combined forms in the natural surroundings. Whereas Platinum is not found in combined state at natural sites. It is also known to be highly resistant to corrosion even at very high temperatures and due to its shiny silvery appearance and malleable nature, it is also extensively used in jewellery comparable to gold. It has high demand for electronic components.
So, the correct answer is “Option C”.
Note: It is a rare metal and thus is considered one of the costliest metals on earth. When we say resistant to corrosion, then we are talking mostly about oxidation when exposed to moist air. We know that aluminium and iron are corrosive that way.
Complete answer:
Platinum is the least reactive of all the options. Aluminium, iron are also formed in combined forms in the natural surroundings. Whereas Platinum is not found in combined state at natural sites. It is also known to be highly resistant to corrosion even at very high temperatures and due to its shiny silvery appearance and malleable nature, it is also extensively used in jewellery comparable to gold. It has high demand for electronic components.
So, the correct answer is “Option C”.
Note: It is a rare metal and thus is considered one of the costliest metals on earth. When we say resistant to corrosion, then we are talking mostly about oxidation when exposed to moist air. We know that aluminium and iron are corrosive that way.
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