Hardness is caused due to the presence of
ASodium
BChlorine
CPottasium
DCalcium & Magnesium
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The First president of Nair Service Society :
The error eliminated by reading both the Verniers and taking the mean is known as
The slenderness ratio of a long column is
The occurrence and extend of different strata of soil can be obtained by conducting
Which of the following is not true?