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Refer to these reactions to answer the questions below.
(a)Ba(OH)2 + H2SO4 → 2H2O + BaSO4
(b) NaOH + HCl → NaCl + H2O
(c) 2H2 + O2 → 2H2O
(d) C2H6O + 3O2 → 2CO2 + 3H2O
-Which of the reactions above are examples of electron transfer reactions?
Lens
A transparent structure in the eye that focuses light onto the retina to produce clear images.
Light
Electromagnetic radiation within a certain portion of the electromagnetic spectrum, visible to the human eye and responsible for the sense of sight.
Pupil
The adjustable opening in the center of the eye which allows varying amounts of light to enter the eye.
Pupil
The opening in the iris of the eye that allows light to enter the retina.
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