The reason this happens is that salt is hygroscopic. Hygroscopic means that salt absorbs water vapor from the surrounding air. Eventually, the salt attracts enough water vapor that the gas changes into liquid, and the salt partially dissolves and starts to clump together. To combat this tendency, manufacturers put additives in salt that keep it from liquefying.
Itchy Red Bumps on Chest and Back bumps on the back. Bumps are common on any part of the body. They could appear as a result of an allergic reaction, a disease or skin disorder. These may be caused by bacterial, viral or fungal infections. Some of these bumps may be localized on a certain part of the body or spread all over. Itchy red bumps on chest and back are common.
Pericarditis is another heart-related condition that can cause dull aching chest pains and discomfort in your left upper abdomen. Your heart is protected by a fluid-filled sac called the pericardium. Bacterial or viral infections can cause the sac to become inflamed, resulting in pain on the left side of your chest. Doctors from the National Health Service say that pericarditis causes many people to experience sudden, sharp pains behind their breastbone.