Multiple choice Which of the following is true about oil slick? Oil slick is a type of ointment used for oil burns. Oil slick is a microbe which harms the oil. Oil slick is the name of a disease. Oil slick is related to leakages from oil tanks, over water. Oil slick is a tank containing the oil. Reveal answer Fill a bubble to check yourself D Correct answer Explanation Whenever an oil tank leaks, then oil covers the whole of the water surface. This is known as an oil slick.