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प्रश्न
Identify the gas evolved when sulphur is treated with concentrated nitric acid.
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उत्तर
When sulphur is treated with concentrated nitric acid, it produces nitrogen dioxide gas.
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संबंधित प्रश्न
Name the products formed when carbon and conc. nitric acid is heated.
What is the purpose of Conc. H2SO4 in the above preparation?
Explain with the help of a balanced equation, the brown ring test for nitric acid.
Complete and balance the following equation :
Pt + HNO3 + HCl → ___________
Fill in the blank with appropriate word/words.
Ammonal is a mixture of ________ and __________
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
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:
(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.
Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper. Identify B. Write the equation with copper.
