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Give One Test that Can Be Used to Detect the Presence of the Ion Produced in (I) and (Ii).

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Question

Give one test that can be used to detect the presence of the ion produced in (i) and (ii).

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Solution

The precipitation of metal hydroxides from their aqueous solution confirms the presence of OH- ion in the solution .

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Chapter 9: Study of Compounds: Ammonia - Exercise 7 [Page 225]

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Frank Chemistry Part 2 [English] Class 10 ICSE
Chapter 9 Study of Compounds: Ammonia
Exercise 7 | Q 7.3 | Page 225

RELATED QUESTIONS

The following reactions are carried out:

A: \[\ce{Nitrogen + metal -> compound X}\]

B: \[\ce{X + water -> ammonia + another compound}\]

C: \[\ce{Ammonia + metal oxide -> metal + water + N2}\]

One metal that can be used for reaction A is magnesium.

  1. Write the formula of the compound X formed.
  2. Write the correctly balanced equation for reaction B where X is the compound formed.
  3. What property of ammonia is demonstrated by reaction C?

Copy and complete the following equations:

  1. \[\ce{AlN + H2O ->}\]
  2. \[\ce{2NH3 + 3PbO ->}\]
  3. \[\ce{NH3 + 3Cl2 ->}\]
  4. \[\ce{NH3 + CO2 ->}\]
    1. Which property of ammonia is illustrated by equation (c)?
    2. What important fertiliser is prepared from equation (d)? State the conditions.

Correct the following:

Ammonium salts, on heating, decompose to give ammonia.


Distinguish between the following (using ammonia solution) Sodium sulphate and ammonium sulphate.


Give a balanced equation for the following conversion:

Ammonia to nitrogen trichloride.


Pick the odd number out from the list, giving reasons for your answer:
Ammonia, sulphur dioxide, hydrogen chloride, carbon dioxide


What are chlorofluorocarbons, why they become popular as substitute of ammonia as refrigerant?


Explain, why ammonia is evolved when water is added to the product formed, when magnesium is burned in air.

State what is observed when excess of ammonia is passed through an aqueous solution of lead nitrate?

Ammonia is manufactured by Haber Process.

What is the percentage formation of ammonia?


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