Correct the following statements by changing the underlined part of the sentence. (Do not change the whole sentence) : 

For all spontaneous processes, the change in entropy is zero.

Correct the following statements by changing the underlined part of the sentence. (Do not change the whole sentence) : 

Formaldehyde undergoes Cannizzaro’s reaction since it has one alpha hydrogen atom.

Correct the following statements by changing the underlined part of the sentence. (Do not change the whole sentence) : 

In a co-ordination complex, donation of electron pair takes place from the central metal atom to the ligands.

Correct the following statements by changing the underlined part of the sentence. (Do not change the whole sentence) : 

An aqueous solution of sodium sulphate is acidic in nature.

Correct the following statements by changing the underlined part of the sentence. (Do not change the whole sentence) : 

The solubility product of silver chloride in water decreases on the addition of potassium chloride to the solution.