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प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
CuO+H2→ Cu+ H2O
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उत्तर
CuO+H2 → Cu+ H2O
Displacement reaction
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संबंधित प्रश्न
Explain, giving one example of the following chemical change:
Thermal dissociation
(a) What is synthesis?
(b) What kind of chemical reaction is synthesis? Support your answer by an example.
State the type of reactions for the following represent and balance the ones that are not balanced.
AgNO3 + NaCl → AgCl + NaNO3
Decomposition reactions can occur by sunlight.
Give two balanced reactions.
Complete the table given below.
| Heat on Copper Nitrate | Colour of acidic gas evolved |
State which of the substance given below evolve oxygen gas on thermal decomposition.
Trilead tetroxide
Give a balanced equation for the following reaction of synthesis involving the formation of:
An acid – from sulphur dioxide gas
Define the term – double decomposition – neutralization reaction.
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.
Match the chemical reactions in List I with the appropriate answer in List II.
| List I | List II |
| 1. \[\ce{AB⇌[heat]A + B}\] | A: Double decomposition |
| 2. \[\ce{AB->A + B}\] | B: Thermal dissociation |
|
3. \[\ce{X+Y- + AB+B- ->X+B- + A+Y-}\] |
C: Endothermic reaction |
| 4. \[\ce{X + YZ->XZ + Y}\] | D: Displacement reaction |
| 5. \[\ce{X + Y->[heat]XY - \Delta}\] | E: Decomposition reaction |
