{"id":87660,"date":"2025-06-01T06:50:45","date_gmt":"2025-06-01T06:50:45","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87660"},"modified":"2025-06-01T06:50:45","modified_gmt":"2025-06-01T06:50:45","slug":"which-one-of-the-following-could-be-the-melting-point-of-iron","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-could-be-the-melting-point-of-iron\/","title":{"rendered":"Which one of the following could be the melting point of iron ?"},"content":{"rendered":"

Which one of the following could be the melting point of iron ?<\/p>\n

[amp_mcq option1=”25\u00b0C” option2=”37\u00b0C” option3=”500\u00b0C” option4=”1500\u00b0C” correct=”option4″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-1 – 2019<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is (D) 1500\u00b0C.
\n<\/section>\n
\nThe melting point of pure iron is approximately 1538\u00b0C (2800\u00b0F). The melting points of common metals are relatively high compared to typical ambient temperatures.
\n<\/section>\n
\nOptions (A) 25\u00b0C and (B) 37\u00b0C are typical room and body temperatures, far too low for the melting point of a metal like iron. Option (C) 500\u00b0C is also too low; this might be closer to the melting point of certain alloys or other materials, but not iron. Option (D) 1500\u00b0C falls within the correct range for the melting point of iron. Steel, an alloy of iron and carbon, has a melting point that is typically lower than pure iron but still in the range of 1370\u20131530 \u00b0C, depending on the composition.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following could be the melting point of iron ? [amp_mcq option1=”25\u00b0C” option2=”37\u00b0C” option3=”500\u00b0C” option4=”1500\u00b0C” correct=”option4″] This question was previously asked in UPSC NDA-1 – 2019 Download PDFAttempt Online The correct answer is (D) 1500\u00b0C. The melting point of pure iron is approximately 1538\u00b0C (2800\u00b0F). The melting points of common metals are … <\/p>\n

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