Advertisements
Advertisements
Question
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?
Solution
Solution A with basic pH turns red litmus blue
APPEARS IN
RELATED QUESTIONS
State the inference drawn from the following observations:
On carrying out the flame test with a salt P, a brick red flame was obtained. What is the cation in P?
How does tooth enamel get damaged? What should be done to prevent it?
How is lead sulphate prepared in the aboratory?
Explain, why a universal indicator is preferred to acid-base indicators.
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?
Fill in the blank
pH scale was introduced by _________ in 1909.
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: Methyl orange solution.
Solution P has a pH of 13, solution Q has a pH of 6 and solution R has a pH of 2.
Which solution is a strong acid?
M is an element in the form of a powder. M burns in oxygen and the product obtained is soluble in water. The solution is tested with litmus. Write down only the word which will correctly complete the following sentence.
If M is a metal, it will form ______ oxide, which will form ______ solution with water.
