Answered

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4. A chemist claimed that separating pure metal using a magnetic field is always faster than without a magnetic field. Do Figures
1-3 support this claim?

F. No; in Reaction 1 the % PM reached 0% sooner without a magnetic field than with a magnetic field.
G. No; in Reaction 1 the % PM reached 100% sooner without a magnetic field than with a magnetic field.
H. Yes; the % PM consistently reached 0% sooner with a magnetic field for all three reactions than without.
J. Yes; the % PM consistently reached 100% sooner with a magnetic field for all three reactions than without.

Sagot :

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