Questions: PHYSICAL PROPERTY 1. observed with senses 2. determined without destroying matter Identify the following as a chemical (C) or physical property (P) : 1. blue color 2. density 3. flammability (burns) 4. solubility (dissolves) 5. reacts with acid 6. supports combustion 7. sour taste 13. odor CHEMICAL PROPERTY 1. indicates how a substance reacts with something else 2. matter will be changed into a new substance after the reaction PHYSICAL CHANGE 8. melting point 9. reacts with water 10. hardness 11. boiling point 12. luster 14. reacts with air 1. a change in size, shape, or state 2. no new substance is formed CHEMICAL CHANGE 1. a change in the physical and chemical properties 2. a new substance is formed Identify the following as physical (P) or chemical (C) changes. 1. NaCl (Table Salt) dissolves in water. 2. Ag (Silver) tarnishes. 3. An apple is cut. 4. Heat changes H2O to steam. 5. Baking soda reacts to vinegar. 6. Fe (Iron) rusts. 7. Alcohol evaporates. 8. Ice melts. 9. Milk sours. 10. Sugar dissolves in water. 11. Wood rots. 12. Pancakes cook. 13. Grass grows. 14. A tire is inflated. 15. Food is digested. 16. Paper towel absorbs water.

PHYSICAL PROPERTY 1. observed with senses 2. determined without destroying matter Identify the following as a chemical (C) or physical property (P) : 1. blue color 2. density 3. flammability (burns) 4. solubility (dissolves) 5. reacts with acid 6. supports combustion 7. sour taste 13. odor CHEMICAL PROPERTY 1. indicates how a substance reacts with something else 2. matter will be changed into a new substance after the reaction PHYSICAL CHANGE 8. melting point 9. reacts with water 10. hardness 11. boiling point 12. luster 14. reacts with air 1. a change in size, shape, or state 2. no new substance is formed CHEMICAL CHANGE 1. a change in the physical and chemical properties 2. a new substance is formed Identify the following as physical (P) or chemical (C) changes. 1. NaCl (Table Salt) dissolves in water. 2. Ag (Silver) tarnishes. 3. An apple is cut. 4. Heat changes H2O to steam. 5. Baking soda reacts to vinegar. 6. Fe (Iron) rusts. 7. Alcohol evaporates. 8. Ice melts. 9. Milk sours. 10. Sugar dissolves in water. 11. Wood rots. 12. Pancakes cook. 13. Grass grows. 14. A tire is inflated. 15. Food is digested. 16. Paper towel absorbs water.
Transcript text: PHYSICAL PROPERTY 1. observed with senses 2. determined without destroying matter Identify the following as a chemical $(\mathrm{C})$ or physical property $(\mathrm{P})$ : $\qquad$ 1. blue color $\qquad$ 2. density $\qquad$ 3. flammability (bums) $\qquad$ 4. solubility (dissolves) $\qquad$ 5. reacts with acid $\qquad$ 6. supports combustion 7. sour taste $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ 13. odor CHEMICAL PROPERTY 1. indicates how a substance reacts with something else 2. matter will be changed into a new substance after the reaction PHYSICAL CHANGE 8. melting point 9. reacts with water 10. hardness 11. boiling point 12. luster 14. reacts with air 1. a change in size, shape, or state 2. no new substance is formed CHEMICAL CHANGE 1. a change in the physical and chemical properties 2. a new substance is formed Identify the following as physical $(P)$ or chemical $(C)$ changes. $\qquad$ 1. NaCl (Table Salt) dissolves in water. $\qquad$ 2. Ag (Silver) tarnishes. $\qquad$ 3. An apple is cut. $\qquad$ 4. Heat changes $\mathrm{H}_{2} \mathrm{O}$ to steam. $\qquad$ 5. Baking soda reacts to vinger. $\qquad$ 6. Fe (Iron) rusts. $\qquad$ 7. Alcohol evaporates . $\qquad$ 8. Ice melts. $\qquad$ 9. Milk sours. $\qquad$ 10. Sugar dissolves in water. $\qquad$ 11. Wood rots. $\qquad$ 12. Pancakes cook. $\qquad$ 13. Grass grows. $\qquad$ $\qquad$ 14. A tire is inflated. $\qquad$ 15. Food is digested. 16. Paper towel absorbs water.
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Solution

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Solution Steps

Step 1: Identify Physical and Chemical Properties

To determine whether a property is physical or chemical, we use the definitions provided:

  • Physical Property (P): Can be observed with senses and determined without destroying matter.
  • Chemical Property (C): Indicates how a substance reacts with something else, and matter will be changed into a new substance after the reaction.
Step 2: Classify Each Property
  1. Blue color: This is a physical property because it can be observed with the senses without changing the substance.
  2. Density: This is a physical property because it can be measured without altering the substance.
  3. Flammability (burns): This is a chemical property because it describes how a substance reacts with oxygen to produce a new substance.
  4. Solubility (dissolves): This is a physical property because it involves a substance dissolving in a solvent without changing its chemical identity.
  5. Reacts with acid: This is a chemical property because it involves a chemical reaction that changes the substance.
  6. Supports combustion: This is a chemical property because it involves a reaction with oxygen that changes the substance.
  7. Sour taste: This is a physical property because it can be sensed without changing the substance.
  8. Odor: This is a physical property because it can be detected with the senses without altering the substance.
Step 3: Identify Physical and Chemical Changes

To determine whether a change is physical or chemical, we use the definitions provided:

  • Physical Change (P): A change in size, shape, or state where no new substance is formed.
  • Chemical Change (C): A change in the physical and chemical properties where a new substance is formed.
Step 4: Classify Each Change
  1. NaCl (Table Salt) dissolves in water: This is a physical change because the salt dissolves but remains chemically the same.
  2. Ag (Silver) tarnishes: This is a chemical change because the silver reacts with substances in the air to form a new compound.
  3. An apple is cut: This is a physical change because the apple is only changing shape, not its chemical composition.

Final Answer

\[ \begin{align_} \text{1. Blue color:} & \quad \boxed{P} \\ \text{2. Density:} & \quad \boxed{P} \\ \text{3. Flammability (burns):} & \quad \boxed{C} \\ \text{4. Solubility (dissolves):} & \quad \boxed{P} \\ \text{5. Reacts with acid:} & \quad \boxed{C} \\ \text{6. Supports combustion:} & \quad \boxed{C} \\ \text{7. Sour taste:} & \quad \boxed{P} \\ \text{13. Odor:} & \quad \boxed{P} \\ \text{1. NaCl (Table Salt) dissolves in water:} & \quad \boxed{P} \\ \text{2. Ag (Silver) tarnishes:} & \quad \boxed{C} \\ \text{3. An apple is cut:} & \quad \boxed{P} \\ \end{align_} \]

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