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प्रश्न
Give a balanced equation for a direct combination reaction involving:
Two compounds – resulting in the formation of a weak acid
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उत्तर
Direct Combination of two compounds to form a weak acid.
\[\ce{\underset{\text{compound}}{CO2} + \underset{\text{compound}}{H2O}->\underset{\text{carbonic acid (a weak acid)}}{H2CO3}}\]
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संबंधित प्रश्न
Decomposition reactions can occur by heat.
Give two balanced reactions for each.
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A coloured substance which decomposes violently leaving a coloured residue and evolving two neutral gases one of which is unreactive or inert in nature.
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{AgNO3 + HCl->AgCl + HNO3}\]
Define the following type of chemical change or reaction with a suitable example.
Decomposition reaction
Give a balanced equation for the following reaction of synthesis involving the formation of:
An alkali – from a basic oxide – sodium oxide
Convert nitrogen to ammonia by a direct combination reaction.
Give a balanced equation for thermal decomposition of ammonium dichromate
Give an example of a photochemical decomposition reaction.
Name a metallic oxide which on thermal decomposition is reduced to metal.
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 |
