Hardness of water is due to the presence of salts of
The hardness of water is primarily due to the presence of calcium and magnesium salts, commonly in the form of calcium carbonate (CaCO3) and magnesium carbonate (MgCO3). Therefore, the correct answer is not among the provided options.
How is H related to J?
Which of the following statements is/are definitely correct?
I. I is sister-in-law of U
II. R is daughter of A
III. S is married to M
How is B related to D?
Z is the brother of Y, W is the wife of V, who is the only son of P, who is the male member of the family. Y is the daughter of W. How is P related to Z?
How is Nisha related to Mansi?
...How C related to A?
How is L related to M?
How is B related to D?
Ankit and Mohit are brothers. Shikha and Shweta are sisters. Ankit’s son is Shweta’s brother. How Mohit is related to Shikha?
How is P related to Q?
