Question

explain the properties of bases.​

Answer 1

Chemical Properties of Bases

Bases change the colour of litmus from red to blue.

They are bitter in taste.

Bases lose their basicity when mixed with acids.

Bases react with acids to form salt and water. ...

They can conduct electricity.

Bases feel slippery or soapy.

Some bases are great conductors of electricity.

Answer 2

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IMPORTANT PROPERTIES OF BASES ARE:--

PHYSICAL PROPERTIES:-----

⚫Taste→Bases have bitter taste.

⚫ Feeling of touch→Bases give a Feeling of soapy touch. For example, when we run a drop of sodium hydroxide solution between the tips of our fingers, they give us feeling of slippery..

⚫Effects of indicators→Basic Solutions turn the colour of red litmus to blue, methyl orange from orange to yellow while phenolphthalein from Colourless to pink..

⚫Electrical Conductivity→Basic solutions Conduct Electricity.

CHEMICAL PROPERTIES:-----

⚫Reaction Of bases with metals

eg:--2NaOH + Zn –––> Na2ZnO2 + H2..

⚫ Reaction with acids

eg:--NaOH(aq) + HCl –––> NaCl(aq) + H2O

⚫Reaction Of bases with Non-Metal oxides

eg:--Ca(OH)2 + CO2 –––> CaCO3 + H2O.

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