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प्रश्न
Select the correct answer from the options given below:
State the gaseous product formed, when
A metallic nitrate undergoes thermal decomposition giving a coloured gas.
विकल्प
Ammonia
Hydrogen chloride
Hydrogen
Nitrogen dioxide
Nitric oxide
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उत्तर
Nitrogen dioxide
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संबंधित प्रश्न
Complete the following statement.
The chemical change involving iron and hydrochloric acid illustrates a _________________ reaction.
Explain, giving one example for each of the following chemical changes:
Displacement
State the type of reactions for the following represent and balance the ones that are not balanced.
CaCO3→ CaO+ CO2
What is a double displacement reaction?
Select the correct salt from list II which on thermal decomposition exhibits the change in colour from list I.
| List I | List II |
| 1. Light green to black | A: Copper carbonate |
| 2. White to yellow [heated state] | B: Hydrated Copper sulphate |
| 3. Blue to black | C: Copper nitrate |
| 4. Orange to green | D: Ammonium dichromate |
| 5. Blue to white | E: Zinc nitrate |
Define the following type of chemical change or reaction with a suitable example.
Displacement reaction or substitution reaction
Define the following type of chemical change or reaction with a suitable example.
Double decomposition reaction
Give an example of a photochemical decomposition reaction.
Give a balanced equation for the following type of reaction:
A decomposition reaction of a salt which leaves behind a silvery metal.
Differentiate between the following:
Thermal decomposition & thermal dissociation.
