EVERYDAY SCIENCE

Detailed explanation-1: -Answer and Explanation: Vegetable oils, such as corn oil, belong to the B) lipid class of organic substances. This is because vegetable oils are primarily composed of triglycerides, which are lipids made up of three individual fatty acids covalently linked to a glycerol backbone.

Detailed explanation-2: -Vegetable oils are mainly triacylglycerols (92–98%), polar lipids (phospholipids and galactolipids), monoacylglycerols, diacylglycerols, and minor amounts of free fatty acids and polyisoprenoids.

Detailed explanation-3: -Oils do not contain protein or carbohydrates and are not a significant source of vitamins and minerals. None of these oils contain trans fat, a type that is harmful to human health. Oils are very high in calories and a good source of energy.

Detailed explanation-4: -Corn oil is a refined vegetable oil widely used in cooking and especially deep frying. It also has many other applications and is commonly used for industrial purposes or as an ingredient in cosmetics.

Detailed explanation-5: -Unsaturated fats are predominantly found in foods from plants, such as vegetable oils, nuts, and seeds.