2. Free Ncert Solutions
  3. 11th Class
  4. Chemistry
  5. Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन

11th Class Chemistry Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन

  • question_answer 84)
        Assertion (A) Zone refining method is very useful for producing semiconductors. Reason (R) Semiconductors are of high purity.

    Answer:

                        (b) Both assertion and reason are true but reason is not the correct explanation of assertion. Zone refining method is very useful for producing semiconductors of high purity as in this process pure metal crystallises while impurities pass on into adjacent molten zone when impure metal rod is heated.


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