Home » Electrical Engineering materials » Electrical engineering material miscellaneous » Question

Electrical engineering material miscellaneous

Electrical Engineering materials

  1. Which of the following chemical is added to give the blue colour to the glass?
    1. Cobalt oxide
    2. Manganese dioxide
    3. Tin oxide
    4. Calcium phosphate
Correct Option: A

NA



Your comments will be displayed only after manual approval.