Raghav Kumar

  • UP Board 10th Class 2021 (For Hindi Medium Students)
  • About UP Board Crash Course
  • 2021-03-24 22:19:05

Suraj mishra

  • 2021-03-24T16:49:04.000000Z

OH par -ve charge hota hai isliye is par lone pair electron hoga.to yeh electron doner ka kaam krta hai. aur bases electron donar hote hai. so yeh base hoga.

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