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What happens when ammonium hydroxide sol...

What happens when ammonium hydroxide solution is added to calcium salt?

A

A white ppt is formed

B

Ppt formed is soluble in excess of alkali.

C

A colourless solution is formed

D

No ppt is formed.

Text Solution

Verified by Experts

The correct Answer is:
D
`Ca(OH)_(2)` does not precipitate even with addition of excess of `NH_(4)OH`.
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Salts M, N, O, P and Q undergo reactiom (i) to (v) respectively. Identify the cation present in these salts on the basis of these reaction. Tabulate your answer in the format given below. 1. When sodium hydroxide solution is added to the salt M, and heated strongly a colourless gas with a pungent smell is evolved which turm red litmus paper blue and gives dense white fumes with a moist glass rod with hydrochloric acid. 2. Addition of dilute hydrochloric acid to a solution of N gives a thick white precipitate which is soluble in hot water. 3. When ammonium hydroxide solution is added to the solution of 0 a light blue precipitate is obtained which is soluble in excess of ammonium hydroxide to form an inteme deep blue solution. 4. When ammonium hydroxide solution is added to the solution of P reddish brown (mustard colour) precipitate is obtained which ,is insoluble even in the excess of ammonium hydroxide solution. 5. When sodium hydroxide solution is added to the solution of Q a which coloured gelatinous precipitate is obtained which is soluble in excess of sodium hydroxide to form a clear solution

ICSE-SAMPLE PAPER 1-QUESTIONS
  1. Which type of bonding is present in ammonium ion ?

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  2. What is the colour of the ppt. formed when sodium hydroxide solution i...

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  3. What happens when ammonium hydroxide solution is added to calcium salt...

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  4. Which formula denotes the actual number of different elements present ...

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  5. Which of the following anion can be discharged with maximum ease ?

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  6. What is the correct order of atomic size?

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  7. How the ionisation energy of the elements changes on moving top to bot...

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  8. Which of the following elements has highest ionisation energy?

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  9. Which of the ions can be discharged with maximum difficulty ?

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  10. What is the correct relationship between vapour density and molecular ...

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  11. Which type of bond is present in chlorine molecule ?

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  12. Identify the odd one :

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  13. The amount of energy released when an electron is added to the outermo...

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  14. An element 'E' loses electron and becomes an ion. Name the process and...

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  15. Which of the following is a not a strong acid ?

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  16. Bases fumish ......ions in solutions.

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  17. Choose the hydroxide which is insoluble in excess of ammonium hydroxid...

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  18. Which formula denotes the simplest positive integer ratio of atoms pre...

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  19. The kind of particles present in carbonic acid are .

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  20. Which of the following contains molecules only?

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