Table sugar consists of only 1 type of molecule.
Pure sugar is a substance (compound).
It makes a mixture.
Refined substance can be a pure substance depending on the type of sugar used. If the refined sugar is white, then it is a pure substance. If it the refined sugar is brown, then it is not a pure substance.
Sugar is considered a pure substance because it consists of only one type of molecule, which is sucrose. This means that sugar has a definite and constant composition and properties, making it a pure substance.
No, sugar in a bowl is not a pure substance. Sugar is a compound composed of carbon, hydrogen, and oxygen atoms arranged in a specific molecular structure. As a result, sugar in a bowl is a mixture of pure sugar crystals and any impurities present.
There are many types of sugar but, if you are describing one type of sugar and not a mixture of many sugars it would be a pure substance.
Sugar is a pure substance because everything in a sample is alike: a molecule of sugar.
A sugar is a pure substance. Sugar is the generic name for many compounds which are all pure substances. Fructose is a sugar. Glucose is a sugar. Lactose is a sugar. Glucose + Fructose --> Sucrose This is a chemical reaction between 2 sugars to make another, more complex sugar. This reaction if I remember correctly eliminates a water molecule as well as producing sucrose. The reaction occurs in certain plants and is done by an enzyme. Mixing fructose and glucose in a bowl will NOT form sucrose. Refer to the wikipedia article on sugar. It shows the molecular structure of sucrose. A substance cannot have a molecular structure if it is a mixture. It is a compound and compounds are pure substances.
No, jelly beans are not a pure substance. They are a mixture of sugar, flavoring, and other ingredients.
Sugar is considered a pure substance because it is made up of only one type of molecule, sucrose. It does not contain any other substances mixed in, making it a homogeneous material with a consistent composition throughout.
Pure sugar is a compound, which is a pure substance. If you dissolve sugar in water, you will have a homogeneous mixture, which is a solution.
A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.