nsJudgesRO, nsJudgesRW, nsJudges_talkRO, nsJudges_talkRW
461
edits
Changes
→Single Displacement reactions
===Single Displacement reactions===
===Single Displacement reactions===
One element replaces another in a compound. (The elements are often hydrogen or a metal.)
:A + BX → AX + B
:Fe (s) + 2HCl (aq) → FeCl<sub>2</sub> (aq) + H<sub>2</sub> (g)
:Zn (s) + CuSO<sub>4</sub> (aq) → ZnSO<sub>4</sub> (aq) + Cu (s)
:2Na (s) + 2H<sub>2</sub>O (l) → 2NaOH (aq) + H<sub>2</sub> (g)
===Double displacement (metathesis) reactions===
===Double displacement (metathesis) reactions===
[[Category:Chemistry]]
[[Category:Chemistry]]