Milk of magnesia is used for treatment of acidity of stomach because it is in nature.

Answer the following:

On what does the strength of base depend?

A milkman adds a very small amount of baking soda to fresh milk.

Why does he shifts the pH of the fresh milk from 6 to slightly alkaline?

Four solutions A, B, C, and D have pH 2, 6. 7, and 13 respectively:

Which of the above solutions is a strong acid?

A milkman adds a very small amount of baking soda to fresh milk.

Why does this milk take a long time to set as curd?

What is the pH scale? The pH value of fresh milk is $6$. What would be the change in pH after its conversion into curd?

State:

The difference between number of molecules in Gypsum and in Plaster of Paris.