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प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
CaCO3→ CaO+ CO2
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उत्तर
CaCO3 → CaO+ CO2
Decomposition reaction
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संबंधित प्रश्न
The reaction of iron nail with copper sulphate solution is ______ reaction.
State the type of reactions for the following represent and balance the ones that are not balanced.
2H2O2→ 2H2O + O2
State the type of reactions for the following represent and balance the ones that are not balanced.
NH4Cl → NH3 + HCl
State the type of reactions for the following represent and balance the ones that are not balanced.
PbO + 2HNO3→ Pb(NO3) + 2H2O
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 |
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a monovalent metal
Give a balanced equation for thermal decomposition of lead carbonate
Give a balanced equation for thermal decomposition of calcium hydroxide
Explain the term double decomposition precipitation reaction.
Differentiate between the following:
Thermal decomposition & thermal dissociation.
