Hydrofluoric (HF) acid, one of the strongest inorganic acids, is used mainly for industrial purposes (eg, glass etching, metal cleaning, electronics manufacturing). Hydrofluoric acid also may be found in home rust removers. Exposure usually is unintentional and often is due to inadequate use of protective measures.
It can be difficult to pinpoint the exact cause of a burning smell in nose. Thatâs because the potential causes are many. One possible explanation for this symptom is sinus congestion. A lot of people suffer from this, so you shouldnât rule it out. People with sinus problems sometimes smell things that arenât there, too.
Causes of Pain In the Nose. There are many reasons noses can hurt. Here are some of the most common ones: Dehydration. Being in cold or dry air for too long. Heaters in winter can dry out the nose fairly quickly. A pimple. Often nose pimples donât have a head, so they appear simply as a lump that is sore to the touch.