Alkali (Noun)
Meaning 1
Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia".
Classification
Nouns denoting substances.
Examples
- The cleaning solution contained a strong alkali that effectively dissolved grease and grime.
- The doctor warned that eating foods high in alkali could cause an imbalance in the body's pH levels.
- The lab technician carefully mixed the alkali with the acid to create a neutral solution.
- Sodium hydroxide is a common alkali used in the manufacture of soap and paper.
- The gardener added an alkali to the soil to raise its pH and make it more suitable for planting.
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Meaning 2
A mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture.
Classification
Nouns denoting substances.