When light falls on the nanotubes, they release energetic charge carriers, which split the water molecules inside them into two reactive components - hydroxide radicals and hydrogen ions.
Sodium reacts violently with water to produce hydrogen gas and sodium hydroxide.
钠与水剧烈反应生成氢气和氢氧化钠。
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Hydroxide: Any compound with one or more functional groups made up of one atom each of hydrogen and oxygen, Bonded together and acting as the hydroxide anion (OH -).