Halides are all gases with the following properties: 1  HF is a colourless fuming gas - b.pt = 20oC. 2  HCl is a colourless gas - b.pt = -85oC. 3  HBr is a colourless gas - b.pt = -69oC.  HI is a colourless gas - b.pt = -35oC.
Common causes of dizziness include inner-ear disorders, medications, and alcohol. Dizziness is often a result of vertigo. It can also be caused by a problem in the inner ear, where balance is regulated. The most common cause of vertigo and vertigo-related dizziness is benign paroxysmal positional vertigo (BPPV).This causes short-term dizziness when a person changes positions quicklyâfor instance, when sitting up in bed.izziness is not a disease but a symptom of other disorders. Vertigo and disequilibrium may cause a feeling of dizziness, but those two terms describe different symptoms. Vertigo is characterized by a feeling of spinning.
1 Benign paroxysmal positional vertigo (BPPV). 2  This condition causes an intense and brief but false sense that you're spinning or moving. 3  These episodes are triggered by a rapid change in head movement, such as when you turn over in bed, sit up or experience a blow to the head. 4  BPPV is the most common cause of vertigo.ther causes of dizziness. 1  Neurological conditions. 2  Some neurological disorders â such as Parkinson's disease and multiple sclerosis â can lead to progressive loss of balance. 3  Medications. 4  Dizziness can be a side effect of certain medications â such as anti-seizure drugs, antidepressants, sedatives and tranquilizers.