Chapter 1 Review “Matter and Change” Chemistry Clatskanie High School
Chapter 1 Review What is another name for homogeneous mixtures? The chemical formula of a compound does NOT indicate the A substance that forms a vapor is generally in what physical state at room temperature? Solutions Physical properties Solid or Liquid
Chapter 1 Review Which state of matter has a definite volume and takes the shape of its container? The first figure in a properly written chemical symbol always is ____. Liquid Capitalized
Chapter 1 Review What is one difference between a mixture and a compound? A mixture can be separated by physical means. What is true about compounds: a) they have compositions that vary, or b) they are substances? Which of the following is a homogeneous mixture: a) salt water, or b) beef stew? b) substances
Chapter 1 Review Which action changes the identity of the substance: a) breaking an ice cube, or b) corroding iron? Which of the following CANNOT be classified as a substance: a) air, or b) table salt? What must occur for a change to be a chemical reaction? A new substance is formed
Chapter 1 Review What distinguishes a substance from a mixture? A substance has a uniform and definite composition Separating a solid from a liquid by evaporating the liquid is called. Drying or distillation Which of the following is a chemical property: a) freezing point, or b) ability to react with oxygen?
Chapter 1 Review Which of the following is a chemical property of water at 4 oC: a) its color, or b) the ability to decompose into hydrogen and oxygen? Which state of matter takes both the shape and volume of its container? Gas
Chapter 1 Review When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place? Chemical Which of the following items is NOT a compound: a) salad dressing, or b) table salt? Which of the following is NOT an example of matter: a) heat, or b) air?
Chapter 1 Review Which of the following materials is a substance: a) gasoline, or b) silver? A chemical change occurs when a piece of wood: a) is split, or b) decays? What is the chemical symbol for iron? Fe Which of the following is a physical change: a) rotting of food, or b) evaporation?
Chapter 1 Review What do chemical symbols and formulas represent, respectively? Elements and compounds Which of the following does NOT involve a physical change: a) mixing, or b) decomposing? Which of the following is NOT a physical property of water: a) it is a colorless liquid, or b) it is composed of hydrogen and oxygen?
Chapter 1 Review Which substance has a chemical symbol that is derived from a Latin name: a) calcium, or b) potassium? Know some examples of physical properties of matter. Color, BP, MP, density, conductivity, odor Which of the following does NOT indicate that a chemical change may have taken place: a) gas production, or b) bending or tearing?
Chapter 1 Review A golf ball has more mass than a tennis ball because it has higher density (more matter) Which of the following is a heterogeneous mixture: a) soil, or b) salt water? Which of the following is a heterogeneous mixture: a) vinegar in water, or b) oil and vinegar?
Chapter 1 Review Which of the following is true for all chemical reactions: a) the total mass of reactants = total mass of products, or b) the total mass of the reactants increases? Which state of matter has a definite shape and a definite volume? Solid
Chapter 1 Review What happens to matter during a chemical reaction: a) some matter is destroyed, or b) matter is neither created nor destroyed? Which of the following are considered physical properties of a substance: a) color and odor, or b) melting and boiling points?
Chapter 1 Review Which of the following is NOT a physical change: a) melting cheese, or b) fermenting of cheese? An example of a homogeneous mixture is: a) stainless steel, or b) noodle soup? Which of the following is NOT a physical change to a metal: a) melting, or b) rusting?
Chapter 1 Review Which of the following indicates that a chemical change has happened during cooking: a) the food darkens, or b) bubbles form in boiling water? Which of the following is used for chemical symbols today: a) letters, or b) drawings? When an iron nail is ground into powder, its mass ____. Stays the same
Chapter 1 Review Which of the following processes does NOT involve a change in chemical properties: a) boiling, or b) burning? A substance that can be separated into two or more substances only by a chemical change is a(n): a) mixture, or b) compound?
Chapter 1 Review How many grams of liquid water are produced when 60 grams of ice melt? 60 grams In how many physical states does water commonly exist? Three What is the melting point of water in degrees Celsius? 0 degrees C
Are you ready for the exam??? Chapter 1 Review What is the boiling point of water in degrees Celsius? 100 degrees C End of Chapter 1 Review Are you ready for the exam???