Which of the following is not a source of ozone emission in the atmosphere?

Which of the following is not a source of ozone emission in the atmosphere?

Q. Which of the following is not a source of ozone emission in the atmosphere?

  1. Refrigerators
  2. Xerox machines
  3. Dermatological photo-therapy equipments
  4. High voltage electrical equipments

Answer: Refrigerators

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page