A student needs to identify an unknown substance found in the lab based on its physical properties. The substance has a mass of 130.5 g and a volume of 36.73 ml and tarnishes when it comes in contact with water. (AKS 2b, DOK2). Density Wom3) 0.42 0.95 0.36 3.71 Name Cherry Alloy Cuppric Alloy Elastica Aloy Galvanized Aloy Holy Alloy Marblic Alloy Porous Alloy Sca Dioica Alloy Stuper Alloy Trnphereica Aloy Wican Alloy Zrk Alloy 0.30 L12 0.20 0.69 0642 2.46 188 3.55 Question options: A.The unknown substance is Cherry Alloy. The student was able to use the reactivity to solve the problem-because tarnishing is a physical property of the Cherry Alloy. B. The unknown substance is Vulcan Alloy. The student was able to use density to solve the problem because density is a physical property of Vulcan Alloy. C.The unknown substance is Zink Alloy. The student was able to use density to solve the problem because density is a physical property of the Zink Alloy.
A student needs to identify an unknown substance found in the lab based on its physical properties. The substance has a mass of 130.5 g and a volume of 36.73 ml and tarnishes when it comes in contact with water. (AKS 2b, DOK2). Density Wom3) 0.42 0.95 0.36 3.71 Name Cherry Alloy Cuppric Alloy Elastica Aloy Galvanized Aloy Holy Alloy Marblic Alloy Porous Alloy Sca Dioica Alloy Stuper Alloy Trnphereica Aloy Wican Alloy Zrk Alloy 0.30 L12 0.20 0.69 0642 2.46 188 3.55 Question options: A.The unknown substance is Cherry Alloy. The student was able to use the reactivity to solve the problem-because tarnishing is a physical property of the Cherry Alloy. B. The unknown substance is Vulcan Alloy. The student was able to use density to solve the problem because density is a physical property of Vulcan Alloy. C.The unknown substance is Zink Alloy. The student was able to use density to solve the problem because density is a physical property of the Zink Alloy.
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 113CP: On October 21, 1982, the Bureau of the Mint changed the composition of pennies (see Exercise 120)....
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