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प्रश्न
An alloy used to make statues is ______.
विकल्प
bronze
brass
fuse metal
MCQ
रिक्त स्थान भरें
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उत्तर
An alloy used to make statues is bronze.
Explanation:
Bronze is an alloy made mainly of copper and tin, and it is preferred for sculpting statues because it expands slightly before setting, filling the finest details of a mould. It also develops a beautiful protective layer (patina) over time that resists environmental corrosion. In contrast, brass is mainly used for musical instruments or utensils, and fuse metal has a low melting point meant strictly for electrical safety devices.
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अध्याय 7: Metallurgy - Questions from ICSE Examinations [पृष्ठ १८२]
