Question

4) Explain properties of alkalies.​

Answer 1

Answer:

Physical Properties of Alkalis

Alkalis have the following 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.

Chemical Properties of Alkalis

There are four common reactions of alkalis:

Neutralisation reaction

Reaction with ammonium salt

Precipitation of metal hydroxides

Reaction with metals

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