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- 1. Multiple ChoiceMatter has two basic properties: physical properties and chemical properties. Which of these statements best describes physical properties?Physical properties behave identically for all matter under the same conditions.Physical properties can be observed without changing the identity of a substance.Physical properties are observed by seeing how a substance reacts with other substances.Physical properties cause atoms and molecules to change structure when substances are mixed.
- 2. Multiple ChoiceA physical property can be observed or measured without changing the identity of a substance. Which of these choices describes a physical property?whether or not a metal will rustthe tendency of a substance to explodethe way the substance reacts with waterthe shine or luster of a metal or other object
- 3. Multiple ChoiceA physical property can be observed or measured without changing the identity of a substance. Which of these choices is an example of a physical property?the tarnishing of silverwarethe rate at which a metal transfers heat.the effect of acid rain on automobilesthe combustion of gasoline in a car engine
- 4. Multiple Choice
The pictures below show four objects—a paper clip, a pair of scissors, a needle, and a horseshoe. Assume that each object is made of the same metal. Which of these physical properties is not similar in all four of these objects?massmagnetismspecific heatelectrical conductivity - 5. Multiple ChoiceKavish mixes a black liquid and a clear liquid. He knows the two liquids do not mix well. Kavish allows the mixture to settle for 30 minutes. Which of these statements is true?The clear liquid is less dense than the black liquid.The clear liquid is less soluble than the black liquid.The clear liquid is less reactive than the black liquid.The clear liquid is less conductive than the black liquid.
- 6. Multiple ChoiceAll matter has physical and chemical properties. These properties can be used to identify the type of matter. Which of these statements describes a chemical property?A particular substance evaporates at 30 °C.A 2-ft.-long metal bar has a mass of only 176 g.A certain heavy metal turns to a liquid at room temperature.A metal is added to a beaker of water, and the beaker explodes.
- 7. Multiple ChoiceTo observe a chemical property, you must attempt to change its identity. Which of these statements describes an example of a chemical property?A silver statue begins to tarnish.A freshly waxed floor has a bright shine.A painter coats a building with red paint.A metal turns to liquid at a certain temperature.
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