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प्रश्न
From the following list of substances, choose one substance in the case which matches the description given below:
Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate.
A Substance that gives off only oxygen when heated.
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उत्तर
Potassium nitrate
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संबंधित प्रश्न
Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical.
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
Give reason for the following:
Concentrated nitric acid is a stronger oxidizing agent.
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
Complete and balance the following equation :
FeSO4 + NO + H2O → ______________
Complete and balance the following equation :
Pt + HNO3 + HCl → ___________
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Fill in the blank with appropriate word.
Furning nitric acid is obtained by dissolving an excess of _______ in conc. Nitric acid
Name the product, catalyst and approximate temperature maintained in Ostwald's process. How is the temperature maintained in the Ostwald's process?
What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?
