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"Q13. Identitify the cation in each of the following cases: (a) NaOH solution when added to the solution A gives a reddish-brown precipitate. (b) NH4OH solution when added to the solution B gives white ppt. which does not dissolve in excess. (c) NaOH solution when added to the solution C gives white ppt. which is insoluble in excess."

"Q12. State your observation when ammonium hydroxide solution is added drop-by-drop and then in excess to each of the following solutions: (a) copper sulphate solution (b) zinc sulphate solution"

Q11. The following table shows the tests a student performed on four different aqueous solutions which are X, Y, Z and W. Based on the observations provided, identify the cations present: drive.google.com/file/d/1wlpBVqwIjt5LJ7js1ZbKVgcJ3p9Bql7F/view?usp=drive_link

Q10. State your observation when excess of sodium hydroxide is added to calcium nitrate solution.

"Q9. State your observation for the following: (a) Excess ammonium hydroxide solution is added to lead nitrate solution. (b) Sodium hydroxide solution is added to ferric chloride solution at first a little and then in excess."

"Q8. Give the balanced chemical equation for the following: (a) Zinc is heated with sodium hydroxide solution. (b) Zinc oxide dissolves in sodium hydroxide."

"Q7. (a) Write the balanced equation for the reaction between aluminium oxide and sodium hydroxide solution. (b) Give one test to distinguish between iron(II) chloride and copper chloride solution."

Q6. Write the equations for the reaction of zinc and aluminium metals with sodium hydroxide solution.

Q5. The following table shows the tests a student performed on two aqueous solutions ‘A’ and ‘B’. Write down the observations made. drive.google.com/file/d/1Mu0X5UUqt9SeSzb3mzlZLxddMRuu1J7V/view?usp=drive_link

Q4. What will you observe when a fresh precipitate of aluminium hydroxide is treated with caustic soda solution?

Q3. Give a test to distinguish between iron(III) chloride and copper chloride solution.

"Q2. Three separate test tubes contain (a) calcium nitrate (b) zinc nitrate, and (c) lead nitrate solution. How will you distinguish the three using sodium hydroxide solution?"

"Q1. Using sodium hydroxide solution, how will you distinguish: (a) Zinc nitrate solution from calcium nitrate solution (b) Iron(III) chloride from iron(II) chloride"

Icse Chemistry-10 Chapter-4

7. Action of Alkalis on Certain Metals

6. Action of Ammonium Hydroxide Solution on Some More Salt Solutions

5. Action of Ammonium Hydroxide Solution on Some Salt Solutions

4. Action of Sodium Hydroxide Solution on Some More Salt Solutions

3. Action of Sodium Hydroxide Solution on Certain Salt Solutions

2. Colour of Salts and their Solutions

1. Analytical Chemistry

Icse Chemistry-9 Chapter-2

Icse Chemistry-9 Chapter-2

Icse Chemistry-9 Chapter-2

Icse Chemistry-9 Chapter-2

Icse Chemistry-9 Chapter-2

Icse Chemistry-9 Chapter-2

Icse Chemistry-9 Chapter-2

Icse Chemistry-9 Chapter-2