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प्रश्न
Give balanced reactions for the following conversion:
Copper oxide to copper.
उत्तर
\[\ce{3CuO + 2NH3 ->[\Delta] 3Cu + 3H2O + N2}\]
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संबंधित प्रश्न
Write balanced chemical equations for the following:
When the excess of ammonia is treated with chlorine.
Give balanced chemical equations for Reaction of ammonia with excess chlorine.
Ammonia solution in water gives a blue precipitate when it combines with a solution of copper salt. The blue precipitate further dissolves in excess of an ammonia solution to give the azure blue solution. Explain with the equation.
Give balanced reactions for the following conversion:
Ammonia to ammonium sulphate.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
FeCl3
Industrially, ammonia is obtained by direct combination of nitrogen and hydrogen.
(i) Write balanced equation for the direct combination of nitrogen and hydrogen.
(ii) Which of the metals - iron, platinum, copper - catalyse this direct combination?
(iii) Is the formation of ammonia promoted by high pressure or low pressure?
An element has 2 electrons in its N shell. It reacts with a non-metal of atomic number 7. The compound formed reacts with warm water and produces a basic gas. Identify the elements and write a balanced chemical reaction.
Ammonia burns in oxygen, as shown below.
\[\ce{4NH3 + 3O2 -> 2N2 + 6H2O}\]
If 240 cc of ammonia is burnt in 300 cc of oxygen, find out the composition of the resultant gaseous mixture at room temperature.
