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प्रश्न
Choose the correct answer from the option given below :
When treated with nitric acid which of the following liberate hydrogen?
विकल्प
Zinc
Magnesium
Copper
Mercury
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उत्तर
Magnesium
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संबंधित प्रश्न
Give two chemical equations for the following:
Reactions of nitric acid with non-metals.
Give two chemical equations for the following:
Nitric acid acting as the oxidizing agent.
The action of heat on the blue crystalline solid X gives a reddish brown gas Y, a gas which re-lights a glowing splint and leaves a black residue. When gas Z, which has a rotten egg smell, is passed through a solution of X, a black ppt. is formed.
- Identify X, Y and Z.
- Write the equation for the action of heat on X.
- Write the equation between solution X and gas Z.
What happens when (Given balanced equation) :
Sulphar is added to hot and conc. HNO3?
What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?
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
State the conditions for the oxidation of ammonia to nitrogen monoxide [nitric oxide], in the manufacture of nitric acid by Ostwald's process. Write the balanced equcation for the reaction.
Describe what you see when concentrated nitric acid is added to copper.
Name the compounds required for the laboratory preparation of nitric acid.
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
