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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
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
Write balanced chemical equations for Action of hot and concentrated Nitric acid on copper
What is passive iron?
Name the following :
Gas produced in air during lighting.
Name the Following:
Salt used in the laboratory to prepare nitric acid
- Name the process used for the manufacture of nitric acid.
- What are the reactants required for it and what are their sources?
- In which ratio reactants are taken in this process?
- Name the catalyst used in the process.
- What is the oxidizing agent in this process?
- Write the equations involved.
Fill in the blank with appropriate word.
Furning nitric acid is obtained by dissolving an excess of _______ in conc. Nitric acid
Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid.
- Name A (a liquid), B (a solid), and C (a liquid). (Do not give the formulae.)
- Write an equation to show how nitric acid undergoes decomposition.
- Write the equation for the reaction in which copper is oxidised by concentrated nitric acid.
