Question

define Alkaline?what are the elements can form alkali when react with H2o​

Answer 1

Alkalis are bases that are soluble in water

Sodium is the alkali element that reacts most violently with water.

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Answer 2

Answer:

alkali metal, any of the six chemical elements that make up Group 1 (Ia) of the periodic table—

namely, lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). The alkali metals are so called because reaction with water forms alkalies (i.e., strong bases capable of neutralizing acids).

Explanation:

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