state gov Rajasthan NHM CHO Mock Test Series 2024-25 General Knowledge Science Technology and Inventions

Which of the following is the major pollutant of air in big cities?

1
Copper
2
Lead
3
Chromium
4
Copper Oxide
5
Question Not Attempted
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters