RO & ARO Paper I GS (30 June 2024)

Question 1:

Which material is used in the manufacture of lead pencils?

सीसा पेंसिल के निर्माण में किस सामग्री का प्रयोग किया जाता है?

  • अभ्रक Mica

  • सीसा Lead

  • ग्रेफाइट Graphite

  • कार्बन Carbon

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