Household bleach is around 6% sodium hypochlorite, the rest is mostly water.

家用的概念 次氯酸钠约为 6%在这种混合物中，其余的主要是水。

Since sodium hypochlorite is the active ingredient in chlorine-based bleach, it may first decompose to form hydrochloric acid, which can then lead to the formation of chloramine vapours.

于次氯酸钠是氯基的活性分，它可能首先分解盐酸，然氯胺蒸气。

However, in terms of general usage, the word 'bleach' is used to refer to common household bleach, which consists of 3-8% sodium hypochlorite and trace amounts of sodium hydroxide.

就一般用法而言，“”一词是指普通家用，3-8％的次氯酸钠和微量的氢氧化钠组。