7 years ago in KBC 8 - Episode 11

Which toxic gas was the first to be used in chemical warfare in World War I ?

[A] Hydrogen Sulphide
[B] Carbon monoxide
[C] Nitrogen dioxide
[D] Chlorine
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Overall Stats

Attempted 109
Correct 27
Incorrect 43
Viewed 39


pradeep banik
pradeep banik - 4 years ago

pradeep banik is saying Nitrogen dioxide is correct answer

AR Makers
AR Makers - 4 years ago

AR Makers from Bhilai Charoda, India is saying Carbon monoxide is correct answer

Pradeep Kumar Awasthi
Pradeep Kumar Awasthi - 4 years ago

Pradeep Kumar Awasthi from India is saying Nitrogen dioxide is correct answer

umair ehtasham
umair ehtasham - 4 years ago

umair ehtasham from Lucknow, India is saying Hydrogen Sulphide is correct answer

Nitish kumar sahu
Nitish kumar sahu - 4 years ago

Nitish kumar sahu from Bengaluru, India is saying Nitrogen dioxide is correct answer

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