Most foods and beverages are mixtures and not pure substances because foods and beverages usually have more then one ingrediance to make the type of food or beverage!
Mixture is a combination of tow or more different substances
Pure substance is one type substance, throughout and uniforn proporties
most food and beverages are considered mixtures usually due to the cause of having more than one ingredient
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Most rocks are mixtures of two or more minerals.
Some mixtures of two chemicals will bubble, most will not.
how can a rock be an element?? then what is it chemical symbol? it is a heterogeneous mixture composed of various homogeneous mixtures. http://en.wikipedia.org/wiki/Rock_(geology)#Rock_classification
Most alloys are mixtures, because the proportions between or among the metals in them can vary.
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Most foods, as they occur in nature, are already a compounded materials. The carrot for example is a combination of carbohydrates, sugar, fiber, beta-carotene, etc. Each of those is a group of molecules that are in turn made of several different atoms. There is no logical reason to make a food that is simply a block of protein with no fat or carbohydrates since the human body cannot survive on any one material alone. That is why any doctor will tell you that a well rounded diet is important.
No. Any sugary foods and/or beverages are most definitely NOT a good way to lose weight.
Most rocks are mixtures of two or more minerals.
Cocoa powder can be used in most foods you want to have a chocolate flavor, including candies, baked goods, ice cream, and beverages.
In the absence of the gas oxygen, certain living things are capable of breaking down carbohydrates (starches and sugars) to form alcohol and carbon dioxide gas. This process is known as anaerobic respiration or fermentation, and it has been used for centuries in the production of certain foods and beverages.
Matzoh, meat, fish, vegetables, fruit, eggs, dairy products, most kinds of nuts, and most beverages. All beverages, meats and processed foods need to be labeled Kosher for Passover, with trustworthy supervision and not containing Kitniyos (legumes). Today there are thousands of canned and processed foods which have strict Passover supervision. Several decades ago, the answer would have been: buy veggies and prepare them yourself.
Food is anything that is eaten. An ingredient is a constiuent, or part, of a specific food or recipe for food. Most foods are mixtures of ingredients. Ingredients are combined, or prepared, using a recipe, which is a guide to preparing a certain food or combination of foods.
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No, elements are the most basic form of a substance, thus mixtures might be made up from different elents but elements can never be made from mixtures.