Alkali

/ˈæl.kə.laɪ/

Meaning & Definition

noun

A class of compounds that include sodium, potassium, lithium, and other elements that form hydroxides in water and are typically soluble in water.

Sodium hydroxide is a strong alkali used in many industrial processes.

Any substance that has a pH greater than 7 and can neutralize acids.

In chemistry, we often use alkalis to balance the acidity of solutions.

The soluble hydroxides of alkali metals, such as sodium and potassium.

Potassium carbonate is an example of an alkali that is used in the production of glass.

A basic substance that can react with acids to form salts.

Lime is commonly used in agriculture as an alkali to improve soil pH.

From Arabic الكالي ('Al-qāli') meaning 'the ashes of saltwort'.

alkali metal

Any of the elements in group 1 of the periodic table, which are highly reactive.

strong alkali

An alkali that has a high pH value, often used in strong chemical reactions.

base

A substance that can accept hydrogen ions or donate electron pairs in reactions.

bicarbonate

A salt containing the anion HCO3−, known for its buffering properties.

Refers to someone or something that is overly basic or plain.

That outfit is so alkali; it needs some flair!