碱 (jiǎn) - alkali & soda
碱 · jiǎn
alkali;
soda;
base (chemistry);
a class of compounds that are soluble in water and turn litmus blue.
alkalisodabase (chemistry)
Usage highlights
alkalialkalinesoda ashcaustic sodaacidalkali metal
Usage & contexts
Examples
- Baking soda is a common household alkali (碱).
- The soil pH is too alkaline (碱性).
- Sodium carbonate is known as soda ash (纯碱).
- Acid-base reactions are fundamental in chemistry (酸碱反应).
Collocations
- alkali(碱)
- alkaline(碱性)
- soda ash(纯碱)
- caustic soda(烧碱)
- acid-base(酸碱)
- alkali metal(碱金属)
Idioms
- Acid-base balance(酸碱平衡)
- Alkali-silica reaction(碱-硅反应)
- Neutralize acid with alkali(酸碱中和)
Cultural background
FAQ- The character 碱 is strongly associated with modern chemistry and industrial processes.
- In traditional contexts, it relates to natural alkaline substances like soda ash used in soap-making and food preparation.
- It carries a scientific and technical connotation in modern usage.