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.
Place eggs in a large saucepan. Cover them with cool water by 1 inch. Cover pan with a lid and bring water to a rolling boil over high heat; when the water has reached a boil, set the timer for the desired time. Boil for 6 â 7 minutes for perfect hard boiled eggs.