Question

What are alkalis ?. what are their features?​

Answer 1

Answer:

In chemistry, an alkali (/ˈælkəlaɪ/; from Arabic: القلوي‎ al-qaly "ashes of the saltwort") is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element. An alkali also can be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0.

Alkalis have the following properties: Alkalis have bitter taste and a slippery soapy feel. Alkaline solutions have pH values greater than 7. ... Alkaline solutions turn red litmus paper blue.

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Answer 2

Alkalis have the following properties: Alkalis have bitter taste and a slippery soapy feel. Alkaline solutions have pH values greater than 7. ... Alkaline solutions turn red litmus paper blue.