Advertisements
Advertisements
प्रश्न
Give reason for the following:
Lighting is a blessing in disguise.
Advertisements
उत्तर
Lightning is a blessing as it is the natural source of synthesis of nitric acid.
APPEARS IN
संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
Write balanced chemical equations for Action of hot and concentrated Nitric acid on copper
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.
Explain with the help of a balanced equation, the brown ring test for nitric acid.
Give reason for the following:
Aqua regia dissolves gold and platinum.
Complete and balance the following equation :
Pt + HNO3 + HCl → ___________
Fill in the blank with appropriate word/words.
Ammonal is a mixture of ________ and __________
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.
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
