Brain › Science & TechnologyHow long do you need to boil an egg for it to be considered hard boiled?10 -11 minutes5 - 6 minutes30 minutes1 hourAnswerThe correct answer is A) 10 -11 minutes.More Science & Technology questionsWhat is the name of an Easter egg made for the Russian Tsars between 1885 and 1917.Which of the following is not a fluid?What is the definition of the term viscosity?What does volumetric flow rate mean?What does laminar flow mean?A piece of wood floating on the ocean has what kind of buoyancy?Play Brain · Practice