中和反應
中和反應，又叫酸鹼中和，係化學反應中複分解反應嘅一種。將酸同鹼溝埋一齊，會出鹽同水，咁就係酸鹼中和。
例子
好似鹽酸同氫氧化鈉嘅反應咁樣。鹽酸，顧名思義係酸，而氫氧化鈉係鹼，兩個撈埋，會出氯化鈉（食鹽）同水。
睇返以上反應嘅淨離子方程式：
因爲氯離子同鈉離子都冇實際參與反應，所以屬於旁觀離子，唔需要寫。
用途
中和反應好有用，例子包括：
睇埋
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