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Physical Changes Versus Chemical Changes: Mastery Test
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Physical Changes Versus Chemical Changes: Mastery Test
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Select the correct answer.
The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. This simple process is
which kind of a change?
ОА a physical change
B. a chemical change
ca nuclear change
OD. an lonic change
Answers: 1
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If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms
Answers: 1
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One does not belong why? ice, gold ,wood ,diamond and table salt
Answers: 1
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