1. Mixture is A. A chemically combined substance. B. A combination of elements to make a new substance. C. A combination of substances where new substances are formed through a reaction. D. A combination of substances in which the atoms of the substance do not chemically combine 2. Mixture can be classified into 2 types, homogeneous and heterogeneous. There are different because A. Heterogeneous has 2 substances while homogeneous has 3 or more substances. B. Homogeneous looks the same throughout, with heterogeneous you can see the different parts. C. Heterogeneous looks the same throughout, with homogeneous you can see the different 3. Which of these is a pure substance? A. Bread B. Table salt C. Garden oil D. Sea water 4. What is the simplest form that cannot be broken down to anything simpler? A. Element B. Solution C. Compound D. Colloids 5. Which of the following is a homogeneous mixture? A. Oil and water B. Sand and water C. Halo-Halo D. Air 6. This type of mixture contains two or more substances that are visibly distinguishable. A. Homogeneous B. Heterogeneous C. Solution D. Suspension 7. A substance which contains of two or more elements which have been combined chemically is called A. Element B. Compound C. Mixture D. Atom 8. Select the term that describes the smallest particle of a compound that can exist and still retain the characteristic chemical properties of a substance. A. Molecule B. Atom C. Electron D. Nucleus 9. Which pf the following is a way in which element and compounds are similar? A. Elements and compounds are both pure substance. B. Elements and compounds are both listed on the periodic table. C. Elements and compounds are both made up of different kinds of atoms. D. If Jo wants to get the iron filings out of some sand, what could she use to separate these two solids? A. Magnet B. Evaporation C. Decanting D. Filter paper​