Asked: M.P.P.C.S. (Pre) 1998medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
निम्नलिखित में से कौन-सी मिश्रधातु नहीं है?
Which of the following is not an alloy?
SELECT CORRECT OPTION:
A
स्टील
Steel
B
पीतल
Brass
C
ब्रॉन्ज
Bronze
D
तांबा
Copper
Correct
Official Solution & Explanation:
Correct Answer: Option D(तांबा)
तांबा (Copper, $Cu$) एक शुद्ध तत्व (धातु) है, जबकि स्टील (लोहा + कार्बन आदि), पीतल (तांबा + जस्ता) तथा ब्रॉन्ज (तांबा + टिन) मानव-निर्मित मिश्रधातुएं (Alloys) हैं।
Copper ($Cu$) is a pure elemental metal, whereas steel (iron + carbon), brass (copper + zinc), and bronze (copper + tin) are alloys.
Subject: General Science•Topic: Alloys•Subtopic: Alloys
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