स्टील में कठोरता प्रदान करने के लिए निम्नलिखित में से किसकी मात्रा बढ़ायी जाती है ? - Which of the following is increased in order to impart hardness to steel? - Steel Me Kathorta Pradan Karne Ke Liye NimnLikhit Me Se Kiski Matra Badhayi Jati Hai ? General Science in hindi, Chemistry Magneese question answers in hindi pdf Chromium questions in hindi, Know About Carbon General Science online test General Science notes in hindi quiz book Silicon
And A current
Karban h iska answer
Sir carbon ni aata kya kisi ki b kthorta Ko bda Sakta hai
Karban
Carbon hota h steal me kathorta pradan karne k liye
Sir ji, Iska answer option. C hota hai
2 nhi ho skta
Steel me kadorta ke liye kromiyam ka use hota hai.
Kromiyam
Ans-b
Steel me cromium milaya jata h tab jakar bo thos hota h