1. Section 5.1 and 5.2 Multiple Choice Review

2. Homogenous mixtures are: –Mixtures that are of the same composition –Mixtures that are not of the same composition –Substances made of more than one kind of particle in which the particles are not uniformly scattered –Substances that can not be measured

3. Which is not a chemical property: –Reacts with water –Combustibility –Viscosity –Reacts with acids

4. Qualitative properties –Can be measured numerically –Can be described but not measured –Are a change in matter that can take part in a qualitative change –Tell how a substance reacts

5. Which can not happen in a physical change? –Melting –Drying –Burning –Breaking?

6. What is the definition of a physical change? –A substance that dissolves in a solvent –A change in matter in which no new substance is formed –A change in matter in which at least one new substance is formed

7. What does malleability mean? –Formed under pressure –Easily formed into something –Hard to form –The way it flows as a liquid

8. What does ductility mean? –A metal stretched into wire without breaking –A metal stretched into a wire with breaking –A metal pressed into a sheet –A metal mixed with other metals

9. Which is not a chemical change: –Adding baking soda and vinegar –Burning paper –Adding salt to water –Leaves changing colour

10. Which is not a physical change: –Breaking your arm –Water evaporating –The freezing of a liquid –Burning a match

11. A pure substance has: –2 or more particles –1 unique particle –5 different kinds of particles –None of the above

12. Which of the following is NOT true: –Particles are always moving –All matter is made up of extremely tiny particles –Particles attract each other –Particles at a high temperature move slower than particles at a low temperature

13. During a physical change new substance is formed –No –One –Two –Three or more

14. A chemical change be reversed: –Can –Can’t –Maybe –depends

15. A quantitative physical property can be –Described and measured –Described but not measured –Measured but not described –Neither described nor measured

16. A qualitative physical property can be: –Described and measured –Described but not measured –Measured but not described –Neither described nor measured

17. A physical property that can be measured is: –Qualitative –Quantitative –Chemical –Both A and B

18. A pure substance that can not be broken down into simpler parts is: –An element –A solute –A solvent –A solution

19. A substance made up of more than one kind of particle in which the particles are not uniformly scattered is: –Compound –Homogenous –Physical property –Mechanical mixture

20. Which of the following contains it’s own unique kind of particle: –Heterogeneous –Mixture –Pure substance –density

21. A is formed when two or more substances are mixed together: –Mixture –Compound –Element –solute

22. Which of the following is a physical change: –Propane burns –Milk sours –Food is digested –Zinc sulfide glows when exposed to gamma radiation

23. Which of the following is a chemical change: –Ice melting on a hot stove –Light bulb giving off light –Milk souring –Formation of snowflakes

24. A has exact amounts: –Compound –Solution –Mixture –Physical change

25. The ability of a substance to burn in air is: –Ductility –Combustibility –Malleability –Solubility

26. A solvent is: –A solid that is dissolved in a liquid –Another name for a particle –A substance that dissolves a solute –Homogenous mixtures of one or more metals

27. Transparency is a property of: –Homogenous mixtures –Heterogeneous mixtures –Chemical reactions –gold

28. Alloys are mixtures: –Transparent –Heterogeneous –Physical –Homogenous

29. Mechanical mixtures are: –Heterogeneous –Homogenous –Chemical –Solvent

30. Density is a: –Chemical property –Quantitative property –Mechanical property –Qualitative property

31. A chemical change is –Breaking a bone –Putting salt into water –Burning paper –Cutting hair

32. Matter is: –You –A fish –Mammals –Everything

33. Particles at a higher temperature: –Move faster –Move slower –Don’t move –Grow faster

34. Matter is classified as: –Hard, soft, rough –Solid, liquid, gas –Air, water, ice –Lakes, trees, soil

35. The melting point is when something goes from: –A solid to a gas –Gas to solid –Liquid to solid –Solid to liquid

36. A solution is: –Heterogeneous mixture of two substances –Homogeneous mixture of two or more substances –Mechanical mixture of 7 substances –Homogeneous mixture of only 1 substance

37. A pure substance: –Is always heterogeneous –Has more than one kind of particle –Are all homogeneous –Can only be a liquid

38. Mechanical mixtures: –Are all homogeneous –Have definite volume and shape –Are all heterogeneous –Could be either heterogeneous or homogeneous

39. A compound: –Can be separated by physical means –Gives or takes off energy when formed –Does not give or take off energy when formed –The properties of the particles do not change

40. A chemical change occurs when something: –Melts –Breaks –Burns –evaporates

41. A quantitative property is: –A chemical property –Non-measurable –Texture –Measurable

42. An example of a pure substance is: –Relish –Water –Concrete –Soil

43. The particle theory of matter states: –Particles are always moving –Particles move fast in cold temperatures –Particles are very large –Particles reject each other

44. An example of a compound is: –Water –Hydrogen –Oxygen –Pizza