Question

Ldki k pas aesi kon si chiz h jo shadi se pehle bhi hoti h aur shadi k bad bhi...lekin shadi wale din nhi hoti

Answer 1

surname is the answer of your question

Answer 2

Answer:

pH is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions are measured to have lower pH values than basic or alkaline solutions. The pH scale is logarithmic and inversely indicates the concentration of hydrogen ions in the solution.