The boiling temperature of nitrogen is â195.8 Â°C (â320.4 Â°F), about 13 Â°C (â23 Â°F) below that of oxygen, which is therefore left behind. Nitrogen can also be produced on a large scale by burning carbon or hydrocarbons in air and separating the resulting carbon dioxide and water from the residual nitrogen.
Acidic foods like citrus fruits can stimulate acid production and increase heartburn. Avoid oranges, grapefruit, lemons and their juice. Like citrus fruits, tomatoes and products made from tomatoes (tomato sauce and paste, tomato juice) can stimulate the stomach to produce more acid.
GERD Trigger: Raw Onions. Theyâre a healthy staple in many dishes and salads, but raw onions can do more than bring tears to the eyes of those with GERD. Onions are a common heartburn trigger because they stimulate acid. However, cooking the onions can help put out the fire, Gazzaniga-Moloo says.heyâre a healthy staple in many dishes and salads, but raw onions can do more than bring tears to the eyes of those with GERD. Onions are a common heartburn trigger because they stimulate acid.