Advertisements
Advertisements
प्रश्न
Give the pH value of pure water.
उत्तर
pH of pure water is 7 at 25°C.
APPEARS IN
संबंधित प्रश्न
How does tooth enamel get damaged? What should be done to prevent it?
The pH values of three solutions A, B and C are given in the table. Answer the folloiwng
| Solution | pH value |
| A | 12 |
| B | 2 |
| C | 7 |
Which solution will turn red litmus solution blue?
Define pH.
Two solutions A and B have pH values of 2 and 9 respectively which one of these two will give a pink colour with phenolphthalein indicator?
A is a soluble acidic oxide; B is a soluble base. Compared to the pH of pure water, what is the pH of (a) a solution of A (b) a solution of B.
Mention the colour changes observed when the following indicator is added to acid: Alkaline phenolphthalein solution.
What should be added to Decrease the pH value of a neutral solution?
Choose the odd one out & give a reason:
An ______ solution will turn methyl orange solution pink or red.
Rohit has solution X, Y and Z that has pH 2, 7 and 13 respectively.
Which solution will not have any effect on litmus paper?
