RO & ARO Paper I GS (16 June 2024)

Question 1:

Which one of the following does not contain silver?

निम्नलिखित में से किस एक में रजत नहीं होता?

  • हार्न सिल्वर  Horn Silver

  • लूनर कास्टिक  Lunar caustic

  • रूबी सिल्वर  Ruby Silver

  • जर्मन सिल्वर  German silver

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