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प्रश्न
Choose the correct alternative.
Diamond is used for
पर्याय
making the electrodes of electric furnaces.
making crucible for melting metals.
cutting and drilling rocks and glass.
making carbon brushes for electric motors.
MCQ
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उत्तर
cutting and drilling rocks and glass.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
