Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Options: A . &nbsphydrocarbons B . &nbsphydrogen flouride C . &nbsphydrogen sulphides D . &nbspnitrogen dioxide

Fluorosis (a bone disease) is caused by the presence of high concentration of _

Question

Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air.

Options:

A . hydrocarbons

B . hydrogen flouride

C . hydrogen sulphides

D . nitrogen dioxide

Answer: Option B
Answer: (b).hydrogen flouride

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