Shake vs Malt. A milkshake is a favorite cool drink among people of all ages, especially kids. As the name implies, it is a drink that is made using milk, cream, and other ingredients like ice cream, syrup, fruit flavor, sugar etc.
Review: An element contains just one type of atom. A compound contains two or more different atoms joined together. A mixture contains two or more different substances that are only physically joined together, not chemically. A mixture can contain both elements and compounds.
The answer is A. a pure substance can be separated by chemical means, while a mixture can be separated by physical means. A pure substance only has one type of substance, whereas a mixture has more than one. A pure substance therefore, can only be separated chemically, because it is not two things mixed together, whereas a mixture can be separated physically because there are multiple substances.