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According to wikipedia, zinc sulfide added to water and then brought into the presence of (sun?) light will split the water into hydrogen and oxygen. Is this practical (for demonstration purposes) and are any other materials/apparatus needed? I cannot seem to find much useful information which answers this question elsewhere.

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  • $\begingroup$ Your source did not mention oxygen gas? $\endgroup$ – DHMO Sep 3 '16 at 11:23
  • $\begingroup$ The reference in your source states that "$\ce{ZnS}$ is one of the most widely investigated photocatalysts because it rapidly generates electron-hole pairs under photoexcitation, and exhibits a relatively high activity for $\ce{H2}$ production under UV light." $\endgroup$ – DHMO Sep 3 '16 at 11:26
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    $\begingroup$ It further links to this site which contained the set-up. $\endgroup$ – DHMO Sep 3 '16 at 11:27
  • $\begingroup$ @user34388, why don't you sum up your comments and write the answer to the question? $\endgroup$ – Nilay Ghosh Sep 10 '16 at 10:48

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