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Which of these is not an example of a physical change? Select one: a. A nail rusting b. A rock cracking c. Blowing up a balloon d. Stretching a piece of clay
Nail rusting is not an example of a physical change.
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Asked 1/10/2018 7:20:11 PM
Updated 1/10/2018 11:57:48 PM
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Nail rusting is not an example of a physical change.
Added 1/10/2018 11:57:48 PM
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Questions asked by TrustedTrap
An engineer is searching for a material to develop a new "indestructible" sunglasses frame. What characteristics would the engineer be looking for? Select one: a. High hardness, high elasticity, high brittleness b. High brittleness, low hardness, low elasticity c. Low brittleness, high hardness, high elasticity d. Low elasticity, high brittleness
Question|Asked by TrustedTrap
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Updated 1/11/2018 7:28:46 AM
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An engineer is searching for a material to develop a new "indestructible" sunglasses frame. The engineer would be looking for - Low brittleness, high hardness, high elasticity.
Added 1/11/2018 7:28:46 AM
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A measure of how much pulling, or tension, a material can withstand before breaking is... Select one: a. Malleability b. Brittleness c. Hardness d. Tensile strength
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Updated 1/10/2018 7:50:51 PM
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A measure of how much pulling, or tension, a material can withstand before breaking is tensile strength.

Added 1/10/2018 7:50:51 PM
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Chemical reactions... Select one: a. Create and destroy atoms b. Produce new substances c. Occur only in living organisms d. Only occur outside of living organisms
Weegy: Chemical reactions produce new substances. (More)
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Expert Answered
Updated 1/10/2018 9:33:59 PM
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What must occur for a process to be a chemical reaction? Select one: a. There must be more products than reactants. b. The process must involve a change in volume. c. The reactants and products will have different chemical properties. d. The process must involve a change in mass.
Weegy: The reactants and products will have different chemical properties. - must occur for a process to be a chemical reaction. (More)
Question|Asked by TrustedTrap
Expert Answered
Updated 1/12/2018 3:08:56 AM
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