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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 reactive metal, then ______ will be evolved when M reacts with dilute sulphuric acid.
उत्तर
If M is a reactive metal, then hydrogen gas will be evolved when M reacts with dilute sulphuric acid.
संबंधित प्रश्न
Two solutions X and Y have Ph values of 4 and 10 respectively. Which one of these two will give a pink colour with phenolphthalein indicator?
Distinguish between a common acid base indicator and a universal indicator.
Name two indicators which can identify the presence of an acid?
Solution P has a pH of 13, solution Q has a pH of 6, and a solution R has a pH of 2.
Which solution: Will liberate ammonia from ammonium sulphate on heating?
Select the correct answer from the choices a,b,c and d which are given.Write only the letter corresponding to the correct answer.
A particular solution contains molecules and ions of the solute so it is a
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?
Solution P has a pH of 13, solution Q has a pH of 6 and solution R has a pH of 2.
Which solution will liberate ammonia from ammonium sulphate on heating?
State the change noticed when blue litmus and red litmus is introduced in the following solution:
NaCl solution
Complete the following table and write your observations.
| Hydrogen sulphide | Ammonia | Sulphur dioxide | Hydrogen chloride | |
| Shake the gas with red litmus solution |
The indicator that changes to pink colour in an alkaline solution is ______.
