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प्रश्न
Identify the cation in the following case:
Sodium hydroxide solution when added to Solution C gives a white precipitate which is insoluble in excess of sodium hydroxide solution.
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उत्तर
Calcium ions (Ca2+)
\[\ce{Ca^{2+} + 2NaOH -> Ca(OH)2 + 2Na}\]
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संबंधित प्रश्न
Identify the cations in the following case:
NaOH solution, when added to the Solution (A), gives a reddish brown precipitate
Name the kind of particles present in sodium hydroxide solution.
What do you observe when caustic soda solution is added to the following solution, first a little and then in excess:
FeCl3
Write a balanced equation for this reaction.
Distinguish by adding:
(a) sodium hydroxide solution and
(b) Ammonium hydroxide solution to
(i) Calcium salt solution and lead salt solution
(ii) Lead salt solution and ferrous salt solution
(iii) copper salt solution and ferrous salt solution
(iv) Fe (II) salt solution and Fe (III) Salt solution
(v) Ferrous nitrate and lead nitrate
Three test tubes contain calcium nitrate solution, zinc nitrate solution and lead nitrate solution.Describe the effect of Adding sodium hydroxide solution to each portion in turn till it is in excess.
Choose the correct answer from the options given below :
Hydroxide of this metal is soluble is sodium hydroxide solution
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to lead nitrate solution and zinc nitrate solution.
What is observed when hot, concentrated caustic soda solution is added to aluminium? Write a balanced equation.
State one relevant observation for the following:
To the copper nitrate solution, initially, few drops of sodium hydroxide solution is added and then added in excess.
Write the word equation when ammonium salt is heated with caustic soda solution.
