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Classification
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NTPC Graduate Tier 1 2016 Shift 2 📅 02 Apr, 2016

Choose the one which is different or odd from the following.

A
Aluminum
B
Iron
C
Copper
D
Brass
Result Summary
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APEDIA

NTPC Graduate Tier 1
2016 • 02 Apr, 2016 • Shift 2
Choose the one which is different or odd from the following.
Correct Answer
Brass
Material Properties Analysis: The options consist of four different metallic substances. To find the odd one out, we must examine their fundamental chemical sta......
Ref/Book : NTPC Graduate Tier 1 2016
Ref. Subject Reasoning
Chapter -
Ref. Topic Classification
Pg. No -
💡 Analysis & Explanation
Material Properties Analysis ▼
The options consist of four different metallic substances. To find the odd one out, we must examine their fundamental chemical states.
Elemental Identification ▼
Aluminum (Al), Iron (Fe), and Copper (Cu) are all primary chemical elements. They exist natively and have distinct atomic numbers on the periodic table.
Alloy Identification ▼
Brass, however, is not a fundamental element. It is a manufactured metallic alloy primarily created by combining Copper and Zinc.
Conclusion ▼
Since Brass is an alloy and the other three are pure elemental metals, Brass is the clear outlier.
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