railway RRB Technician Grade 3 Mock Test 2024 General Knowledge Science Technology and Inventions

हेनरी कैवेंडिश ने 1766 में ____ की खोज की थी। 

1
ऑक्सीजन 
2
हाइड्रोजन
3
हीलियम
4
क्लोरीन
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