Question

write properties of alkali or base​

Answer 1

Answer:

Physical properties :

The alkali metals have the high thermal and electrical conductivity, lustre, ductility, and malleability that are characteristic of metals. Each alkali metal atom has a single electron in its outermost shell.

Chemical properties :

Alkalis have bitter taste and a slippery soapy feel. Alkaline solutions have pH values greater than 7. (More about pH value in the next sub-topic) Alkaline solutions turn red litmus paper blue.

Explanation:

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Answer 2

Answer:

ALKALI....,

The alkali metals have low melting points. Lithium melts at 180.5 °C (356.9 °F); cesium melts at just 28.4 °C (83.1 °F). These elements are also excellent conductors of heat and electricity. The alkali metals are very reactive and so are usually found in compounds with other elements, such as salt (sodium chloride, NaCl) and potassium chloride (KCl).

Read more below: General properties of the group