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प्रश्न
What do you think will be the pH in the stomach of a person suffering from indigestion: less than 7 or more than 7?
उत्तर
The pH in the stomach of a person suffering from indigestion would be less than 7, because of excess acid generation in the stomach.
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संबंधित प्रश्न
The indicators which turn red in acid solution are:
(a) turmeric and litmus
(b) phenolphthalein and methyl orange
(c) litmus and methyl orange
(d) phenolphthalein and litmus
Why does tooth decay start when the pH of mouth is lower than 5.5?
Two solutions X and Y are tested with universal indicator. Solution X turns orange whereas solution Y turns red. Which of the solutions is a stronger acid?
The pH values of six solutions A to F are given below:
A = 0, B = 11, C = 6, D = 3, E = 13, F = 8
Which of the above solutions are (i) acids (ii) alkalis?
What effect does the concentration of OH− ions have on the nature of a solution?
The pH values of five solutions A, B, C, D and E are given below:
| A | 1 |
| B | 5 |
| C | 7 |
| D | 11 |
| E | 13 |
The pH values of five solutions A, B, C, D and E are given below:
| A | 1 |
| B | 5 |
| C | 7 |
| D | 11 |
| E | 13 |
Solution A turns universal indicator blue to purple whereas solution B turns universal indicator orange to red
What will be action of solution B on litmus?
State whether the following statements are true or false. Correct the false statements.
Phenolphthalein is a natural indicator.
How will you prepare a china rose indicator?
