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प्रश्न
What are the favourable qualities given to gold when it is alloyed with copper or silver for the purpose of making ornaments?
उत्तर
Pure gold is highly malleable and soft. When it is alloyed with copper or silver it becomes hard and strong and can be moulded into various shapes.
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संबंधित प्रश्न
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\[\ce{N2 (g) + 3H2 (g) → 2NH3 (g)}\]
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