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प्रश्न
How will you distinguish between the two black samples, CuO and MnO2 with a chemical test?
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उत्तर
Add concentrated hydrochloric acid to both the samples. Only MnO2 releases greenish yellow chlorine gas.
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संबंधित प्रश्न
State one relevant observation for given reactions:
Action of dilute Hydrochloric acid on iron (II) sulfide.
State your observations when Dilute Hydrochloric acid is added to Copper carbonate
State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
MnO2, PbO2 and red lead react with conc. HCl acid to liberate Cl2.
What is the common property being shown by these metal oxides?
Name the following:
Salt obtained by heating sodium chloride with concentrated sulphuric acid below 200 degree celcius.
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
Write an equation for the reaction of hydrochloric acid on manganese (IV) oxide.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
