1.

Who am I? (a) I am found in clouds and mist. (b) I am used in aerated drinks. (c) I am used in an electric bulb. (d) I form 78% of air. (e) I am used in the production of nitric acid.

Answer»

Who am I?



(a) I am found in clouds and mist.



(b) I am used in aerated drinks.



(c) I am used in an electric bulb.



(d) I form 78% of air.



(e) I am used in the production of nitric acid.





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