Mixture Two or more substances that are not chemically combined with each other and can be separated by physical means. The substances in a mixture retain their individual properties. 最好的學習方式。免費註冊。 註冊代表你接受Quizlet的服務條款和隱私政策 以Google帳戶繼續 關於...
Chemistry is the study of substances and how they interact with other substances. A substance can be broken into two categories: mixtures or pure substances. In chemistry, a pure substance is an element or compound made up of one type of particle. Pure substances have a fixed structure with ...