and combustible liquids referred to in NFPA 30 and other NFPA codes and. standards. The classification system is based primarily on the flash point of the. liquid; that is, the minimum temperature at which sufficient vapor is given off. the liquid to form an ignitable mixture with air. Flammable liquids are classified by NFPA as Class I, which are further sub-. classified, based upon additional criteria that affect fire risk, as Class IA, Class. IB and Class IC - these liquids have flash points below 100 ÂºF (37.8 ÂºC) or less.
â When the water comes to a boil, throw in the corn and cover with a lid. The amount of time required will range from 1-10 minutes depending on how soft you want it to be and how young the kernels are. If you like it very soft, then let it boil for 10 minutes. â When you are removing the corn from water, use tongs, so that you do not burn your hands.
Best Answer: Allow the water to come back to a boil and then cook the corn for 5 to 10 minutes, depending on desired tenderness. Do NOT add salt to the water when cooking sweet corn because the salt will toughen the corn.Add a little sugar to the water to boost the flavor.et the water come to a complete boil FIRST then boil ten minutes, but if you have fresh sweet corn from the field, you do not have to add anything. But if you get corn from the store then add a little sugar. My family has a farm and one of their biggest crops is corn, both sweet and field.