Aqueous solution of borax acts as acidic buffer. Why?

Aqueous solution of potash alum is acidic due to the hydrolysis of

Aqueous solution of FeCl_(3) is acidic because of

An aqueous solution of the salt is acidic which of the following acids and bases react to give this salt ?

In aqueous solutions Eu^(2+) acts as

Aqueous solution of sodium carbonate is alkaline. Why?

On the addition of mineral acid to an aqueous solution of borax, the compound formed is

Aqueous solution of NH_(4)Cl is acidic. Explain.

Identify the correct statements from the following (a) In orthoboric acid, boron is in planar geometry (b) In BCI_3, NH_3 , boron has tetrahedral geometry (c ) Aqueous solution of borax is acidic