Question

define bases (for class 10). .....
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Answer 1

Answer:

Base are those substance which produce OH- ion. They have ph greater than 7. Example are soap, NaOH, etc.

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Answer 2

$\underline{\unerline{\huge{\red{Bases:-}}}}}}$

The substances which gives oH - solution when reacted with water.

$\underline{\unerline{\huge{\pink{Properties :-}}}}}$

• They are bitter in taste.
• They are not soluble in water.
• In solution of water it's called Alkalis.
• They are blue in color.
• It give red Color adding litmus.
• It is Noah.