Advertisements
Advertisements
प्रश्न
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, then the litmus will turn ______.
उत्तर
If M is a metal, then the litmus will turn blue.
APPEARS IN
संबंधित प्रश्न
Give one test which can be used to detect the presence of the ion produced
What would you observe when red litmus paper is introduced into a solution of ammonia in water?
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?
Fill in the blank
pH scale was introduced by _________ in 1909.
An organic weak acid is ______.
What should be added to Increase the pH value .
When you use universal indicator, you see that solutions of different acids produce different colours. Indeed, solution of the same acid with different concentrations will also give different colours. Why?
If a solution changes the colour of litmus from red to blue, what can you say about its pH?
What can you say about the pH of a solution that liberates carbon dioxide from sodium carbonate?
A given white crystalline salt was tested as follows:
It dissolved in water and the resulting solution of the salt turned blue litmus red. What conclusions can be drawn for the observation?