In the chemistry experiment, we dissolved the salt in water.
The 塩 in 塩化ナトリウム (sodium chloride) indicates chloride.
When hydrochloric acid reacts with sodium hydroxide, a salt is formed.
塩(えん) is the chemistry term for any ionic salt compound, while しお (also written 塩) means everyday table salt or sea salt.
The kanji 塩 means 'salt'. The reading えん is the on'yomi, used in technical and compound contexts.
nitrate
salts
salt making; salt production
low-salt; low-sodium
salting; adding salt; containing salt
PVC; polyvinyl chloride
salt well; brine well
salt and miso · salt and vinegar · everyday food; simple fare
ammonium chloride
salting and drying
saline; halophytic
salting out
seasoning; flavor · serving one's lord well