The following gases are diatomic EXCEPT
...The following gases are diatomic EXCEPT
Fluorine
Helium
Hydrogen
Nitrogen
Oxygen
Correct answer is B
No explanation has been provided for this answer.
The gas that is less dense than air is ...
The following factors would contribute to environmental pollution except ...
Tartaric acid is used industrially to ...
Which of the following polymers in thermosetting? ...
The final product of the reaction of ethyne with hydrogen iodine is? ...
Soaps clean surfaces on the principle based on? ...
The nucleus of the isotopes tritium,contains ...