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प्रश्न
Give a balanced equation for the following type of reaction:
A thermal decomposition reaction of a salt – which results in the formation of nitrogen gas.
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उत्तर
Thermal decomposition of salt with the formation of nitrogen gas.
\[\ce{\underset{\text{ammonium dichromate (orange)}}{(NH4)2Cr2O7}->[\Delta]\underset{\text{chromic oxide (green)}}{Cr2O3} + 4H2O + \underset{\text{nitrogen gas}}{N2}}\]
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संबंधित प्रश्न
What is a decomposition reaction?
Decomposition reactions can occur by heat.
Give two balanced reactions for each.
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 |
State which of the substance given below evolve oxygen gas on thermal decomposition.
Washing soda
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{AgNO3 + HCl->AgCl + HNO3}\]
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a yellow non-metal
Give a balanced equation for the preparation of two different insoluble lead salts from their salt solutions by double decomposition precipitation.
Convert a soluble base to their respective soluble salts by neutralization reaction.
Complete the statement by filling in the blank with the correct word:
Direct combination reaction of sulphur dioxide with water gives ________.
Give a balanced equation for the following type of reaction:
A synthesis reaction between a metal and a non-metal resulting in the formation of an insoluble salt of iron.
