Unit Test Answers
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Four students are analyzing four different substances and recording their findings in this table.Which most describes this table?
A
Leonna has a solid, Xiao and Blake have liquids, and Amir has a gas.B
Leonna and Amir have gasses, Xiao has a liquid, and Blake has a solid.C
Leonna has a solid, Xiao has a liquid, Blake has a gas, and Amir made a mistake.D
Leonna has a solid, Xiao has a liquid, Blake made a mistake, and Amir has a gas.22
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What is produced during the replacement reaction of Cu(NO3)2 and Zn?
A
ZnNO3 + CuB
Zn + Cu(NO3)2C
ZnCu + 2NO3D
Zn(NO3)2 + Cu23
In a car, how does an air bag minimize the force acting on a person during a collision?
A
It increases the change in momentum of the person.B
It decreases the change in momentum of the person.C
It increases the time it takes for the person to stop.D
It decreases the time it takes for the person to stop.24
Which element is most likely to carry electric current easily?
A
tin (Sn)B
sulfur (S)C
antimony (Sb)D
selenium (Se)25
Which shows the temperatures of three substances, in order, from greatest to least?
w
water vapor, ice, wateri
ice, water, water vaporw
water, water vapor, icew
water vapor, water, iceDid you find these answers helpful?
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