Question
Which type of soil exhibits permanent hardness due to
its content of calcium chloride?Solution
Calcium chloride (CaClâ‚‚ ) in water contributes to its permanent hardness. This type of hardness cannot be removed by boiling, unlike temporary hardness, and typically requires a water softener or ion exchange process to be treated.
David is ranked 15th from the top in his class. When counted from the bottom, he is ranked 126th. What is the total number of students in the class?
Who has the least gram of gold?
 If 2 boys and 2 girls are to be arranged in a row so that the girls are not next to each other, how many possible arrangements are there?
In a class of 58 students, all the students are sitting in a row facing north, Reyansh is sitting 28th from the right end of the row. Only 17 students a...
Who live in the flat 1 of floor 2?
If V is kept behind W, then number of boxes is kept ahead of X is two times of the number of boxes is kept behind ____.
Karan scored third lowest runs in which of the following matches?
There are seven persons P, Q, R, S, T, U and V, who have different heights. U is taller than only two persons. R is taller than U and S but not the tall...
What is the possible weight of D?
What can be the possible age of V?