दुनियाँ में सबसे कठोर धातु क्या है | What is the hardest metal in the world

दुनियाँ में सबसे कठोर धातु क्या है | What is the hardest metal in the world


(Welcome to my YouTube channel yt brain)

About.
Ye video me maine knowledge badhane k liye student se lekr badhe admi tak dekhne wala gk question answer likhke bataya hu jo har teacher sikhata hai.yeha per
hindi riddles
hindi paheliyan
riddle in hindi
common sense hindi
hindi question with answer
hindi questions etc related video milta rahega apko video pasand aata hai to sare bhi karna aur es video me batay janewala har sawal bachhe se lekar budhe tk dekh sakte hai.

My second channel link. https://www.youtube.com/channel/UClWD9tYlt5U8_EUDKwhiOJg


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#Whatisthehardestmetalintheworld
#whatishardesmetalin

Cover topic
1 strongest material in the world
2 hardest metal in the world
3 strongest metal in the world
4 top most hardest material in the world
5 hardest material in the world

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