Through circuits, currents move and their direction matters a lot. This quiz tests on the different chemical circuits and in addition the redox reactions. These are those in which both oxidation and reduction occur. Al the best.
Oxidized, loses
Oxidized, gains
Reduced, loses
Reduced, gains
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Lose, negatively
Lose, positively
Gain, negatively
Gain, postively
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Ag, Zn
Zn, Ag
Impossible to answer, electrons are not transferred
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Negative, positive
Positive, negative
Ground, excited
Excited, ground
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Electromagnetic spectrum
Periodic table
Metal activity series
Electronegativity series
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Oxidized, loses
Oxidized, gains
Reduced, loses
Reduced, gains
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700 nm
400 nm
1000 nm
200 nm
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It's wavelength was too small
Its energy was too small
The electron moved to an excited state then had a delay in returning to ground state
The electron moved to an excited state and immediately returned to ground state
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Lithium, Li
Magnesium, Mg
Tin, Sn
Mercury, Hg
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When an ion or atom with an electron moves to a higher than normal energy level
The lowest energy level of atom or ion
The distance between successive crests of an electromagnetic wave
The number of times a point on a wave passes a fixed reference point in a second
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Calcium, Ca
Zinc, Zn
Silver, Ag
Lithium, Li
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Direct, increases
Direct, decreases
Indirect, increases
Indirect, decreases
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Production of a thin layer of metal on an object with electrolysis
Use of electricity to produce light
Use of fluorescence to produce phosphorescence
Lighting of an LED
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Potassium, K
Nickel, Ni
Copper, Cu
Silver, Ag
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700 nm
600 nm
500 nm
400 nm
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Orange
Green
Indigo
Violet
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Zn(s) --> Zn2+ + 2 e
Zn(s) + 2e --> Zn2+
Cu2+ (aq) + 2e --> Cu (s)
Cu2+(aq) --> Cu (s) + 2e
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When an ion or atom with an electron moves to a higher than normal energy level
The lowest energy level of atom or ion
The emisison of light from a substance resulting from the immediate return of an electron to ground state
The emission of light from a substance resulting from the delayed return of an electron to ground state
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Electrons from Al to Cr3+
Electrons from Cr3+ to Al
Protons from Al to Cr3+
Protons from Cr3+ to Al
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