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प्रश्न
Brown ring disappear if the test tube is disturbed.
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उत्तर
lf the test tube is disturbed brown ring will disappear because the complex formed will get dissolved in the layers of the liquid.
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संबंधित प्रश्न
Ammonia is used in the Ostwald process.
Why is quartz used in this process?
How will you prepare the following from nitric acid?
Ferric nitrate
Give reason for the following:
Aqua regia dissolves gold and platinum.
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
Write balanced equation and name the product formed when :
Concentrated nitric acid is heated.
What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO3?
Give the name of a soluble lead salt and write the eqution for the action of heat on this salt. Write the equation for the preparation of nitric acid from potassium nitrate.
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
Copy and complete the following table relating to important industrial processes output refers to the product of the process not the intermediate steps.
| Name of process | Inputs | Catalyst | Equation for catalysed reaction | Output |
| Haber process | Hydrogen + | |||
|
Ammonia + |
Nitric acid |
Write the equation for the reaction of dilute nitric acid with copper.
