Quick Answer. HowStuffWorks explains that food poisoning often occurs when a person eats spoiled food. Common symptoms of food poisoning are stomach pain, diarrhea, nausea, vomiting and cramping.
Confusion continues over coolant colors for cars. Of course, there is still the good old green stuff, but there is also orange, yellow (gold and amber), red, pink, blue and, if you mix the wrong things together, brown. Despite the rainbow of colors, all antifreeze starts out colorless.
CaF2 â Calcium Fluoride. Color. Colorless or transparent when pure, but color may be extremely variable due to the presence of slight chemical impurities. The most common variety is violet, but fluorite may also be yellow, green, white, blue, gray, black or exhibit a variety of colors in zones or bands. Cleavage Perfect cleavage in four directions to produce octahedrons, brittle