Advertisements
Advertisements
प्रश्न
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?
उत्तर
On carrying out the flame test with a salt P, a brick red flame is obtained. Hence, the cation P is Ca2+.
APPEARS IN
संबंधित प्रश्न
Why are alkalis soapy to touch? What do you understand by PH value?
What would you observe when red litmus paper is introduced into a solution of ammonia in water?
What is the pH of pure water?
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?
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 : Contains molecules as well as ions?
Define the following term : pH scale
Mention the colour changes observed when the following indicator is added to acid: Alkaline phenolphthalein solution.
Write the approximate colour of the following sample with the universal indicator: Soap Solution
What can you say about the pH of a solution that liberates carbon dioxide from sodium carbonate?
State the change noticed when blue litmus and red litmus is introduced in the following solution:
NaCl solution
