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Mnemonic for prelims

  1. Section: UPSC Mnemonics
  2. Lesson: Tricks to remember CBI : Human started using metals in sequence

Tricks to remember CBI : Human started using metals in sequence

 

COPPER

 

BRONZE

 

IRON.

 

Note:

<< GPRS: Tricks to remember Harappa civilization’s important places
ExCuSe ME : Indirect taxes Tricks to remember Indirect Taxes >>