Dhoran 9 Ganit || Std 9 Maths || Gujarat Board || Paper Solution

Water is added to the solution M such that the mole fraction of water in the solution becomes 0.9 . The boiling point of this solution is

A student took a sodium salt and dissolved it in water. When this aqueous sodium salt solution was terted with universal indicator paper, its pH was found to be 9. (a) What does pH 9 tell us about the sodium salt solution. (b) Name one sodium salt which can produce such a solution.

A solution of pH = 9 is one thousand times as basic as a solution of pH.

For what value of k, the following equations have no solutions? 9x+4y=9 7x+ky=5

CBSE Class 12 Maths - Previous Year Questions | Important Questions With Solution | CBSE Board 2020

In how many ways can 9examination papers arranged so the best and the worst papers are never together?

The cost of painting the given sign board at the rate of 9 paise per cm^(2) is