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Which of the following best describes bases?

A They feel slippery and taste sour.

B They turn red litmus paper blue and react with metals.

C They taste bitter and react with carbonates.

D They turn red litmus paper blue and taste bitter


Sagot :

Answer:

They turn moist red litmus paper blue and they react with metals.

They turn moist red litmus paper blue because they have a pH range of 8-14, hence they are indicated by a blue colour of the litmus.

They react with metals because they are reactive, the reaction forms a metal salt and water.