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प्रश्न
Identify the substance underlined:
The organic compound which when solidified, forms an ice like mass.
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उत्तर
Paraffin
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संबंधित प्रश्न
The equation 4NH3 + 5O2 → 4NO + 6 H2O, represents the catalytic oxidation of ammonia. If 100 cm3 of ammonia is used calculate the volume of oxygen required to oxidize the ammonia completely
Select from the list the gas that matches the description given in case
[ammonia, ethane, hydrogen chloride, hydrogen sulfide, ethyne]
This gas is used as a reducing agent in reducing copper oxide to copper
Name the following
A nitride of divalent metal which reacts with hot water producing ammonia.
Give balanced equation of :
Action of heat an a mixture of copper an nitric acid
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
FeSO4
Write an equation for the following:
Catalytic oxidation of ammonia
- Name the catalyst used in the above equation.
- In the reaction referred to in the above equation, the catalyst glows red hot. Why?
- What is the name of the industrial process which starts with the reaction referred to in the above equation?
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.
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?
