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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
संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
Ammonia is used in the Ostwald process.
Name the oxidising agent used in this process.
Ammonia is used in the Ostwald process.
Why is quartz used in this process?
Write an equation for the following conversions A, B, C and D.
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
What do you see when concentrated nitric acid is added to copper?
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
Write a chemical equation to illustrate the acidic nature of nitric acid.
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
