Question

What are bases? What are their physical properties? give any two examples of bases or basic compounds which are useful to us.

Answer 1

Bases tend to taste bitter and feel slippery.

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.

* Examples

Sodium bicarbonate, NAHCO3 (baking soda, fire extinguisher, toothpaste)

Calcium hydroxide, or slaked lime, Ca(OH)2 (flocculant, paper)