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प्रश्न
Ranjana wants to prove that ammonia is a reducing agent. To demonstrate this, she passes ammonia gas over heated copper oxide. What will she observe?
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उत्तर
Black copper oxide changes to reddish brown/pink copper.
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संबंधित प्रश्न
Name the gas evolved in each of the following cases :
Ethene undergoes hydrogenation reaction.
Copy and complete the following table which refers to the industrial method for the preparation of ammonia and sulphuric acid:
| Name of the compoun | Name of the process | Catalytic equation (with the catalyst) |
| Ammonia | (i)__________ | (ii) __________ |
| Sulhuric acid | (iii) ___________ | (iv) __________ |
Name the following
Solid obtained by passing ammonia over heated copper oxide
Name the following
Liquid when added to metallic nitride that yield ammonia.
Name the following
Basic gas that is used as a refrigerant.
Why is ammonium hydroxide used in qualitative analysis? Give two equations to justify your answer.
Give balanced equation to prove that ammonia Has the element nitrogen in it.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
Pb(NO3)2
Look at the following reaction :
A. Nitrogen + metal → compound X
B. X + water → ammonia + another compound
C. Ammonia + metal oxide → metal + water + N2
(i) One metal that can be used for reaction in A is magnesium.
(a) Write the formula of the compound X, that is formed.
(b) Write the balanced equation for reaction B, where Xis the compound formed.
( c) Which property of ammonia is demonstrated by reaction C?
