2. Questions Bank
  3. 10th Class
  4. Science
  5. Metals and Non-metals / धातु और अधातु

10th Class Science Metals and Non-metals / धातु और अधातु Question Bank Metals and Non-Metals

  • question_answer
    Axels are made by heating rods of iron embedded in charcoal powder. This process is known as

    A)  tempering         

    B)  annealing

    C)  case hardening    

    D)         hardening

    Correct Answer: C

    Solution :

    Not Available


You need to login to perform this action.
You will be redirected in 3 sec spinner