A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.
Make the process easier use this headache-free method for the easiest hard-boiled eggs. 1  Step 1: Place the eggs in a pot, cover with cold water, and place the pot on the stove. 2  Step 2: Bring the cold water to a boil. Once the water arrives at a rolling, bubbling boil, then turn the heat off, cover the pan, and remove it from the heat. Allow the eggs to sit in the water until they are cooked; about 9 minutes for medium eggs and 12 minutes for large eggs. Follow this timing to ensure that the eggs will be perfectly cooked with bright yellow yolks and non-rubbery egg whites.
Extra large eggs will need 18 minutes to fully cook, large eggs need 15 minutes, and medium eggs need 12 minutes. Set a timer to prevent over or under cooking. For soft-boiled eggs (runny yolks, solid whites), let the eggs sit for 5 minutes less than the time needed to hard... MORE cook the egg.