General Science NimnLikhit Me Kaun kathortam Dhatu Hai ?

Q.11388: निम्नलिखित में कौन कठोरतम धातु है ?
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निम्नलिखित में कौन कठोरतम धातु है ? - Who is the hardest metal in the following? - NimnLikhit Me Kaun kathortam Dhatu Hai ? General Science in hindi,   Loha question answers in hindi pdf  Platinum questions in hindi, Know About Sona General Science online test General Science notes in hindi quiz book    Tungsten

By Anonymous

Google says Tungsten carbide is 4 times stronger than platinum

By Anonymous

Toungston is the most hard metal


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