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K is element being oxidized in the following reaction.
2KBr + F2 Br2 + 2KF
Pharyngitis
Inflammation of the pharynx, causing sore throat and difficulty swallowing; it can be caused by viruses or bacteria.
Thoracotomy
A surgical procedure involving an incision into the chest wall to access organs in the thoracic cavity.
Anthracosis
A lung condition caused by the inhalation of coal dust, leading to blackening of the lungs, also known as "black lung disease."
Bronchiectasis
A chronic condition where the walls of the bronchi are thickened from inflammation and infection causing permanent enlargement of parts of the airways of the lung.
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