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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
Ammonia is manufactured by Haber Process.
Under what conditions do the reactants combine to form ammonia? Give a balanced equation for the reaction.
Give balanced equation to prove that ammonia Is alkaline in nature
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
FeSO4
Copy and complete the following equations :
(i) Mg3N2 + 6H2O →
(ii) 2NH3 + 3CuO →
(iii) 8NH3 + 3Cl2 →
(iv) 4NH3 + 5O2 →
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?
Write the equation for the formation of ammonia by the action of water on magnesium nitride.
Write the equation for the reaction in the Haber process, that forms ammonia.
A compound which undergoes thermal dissociation.
On passing ammonia gas over heated copper oxide for some time, a reddish-brown residue is left behind. What property of ammonia is demonstrated here?
