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प्रश्न
Convert hydrogen to hydrogen chloride by a direct combination reaction.
उत्तर
By direct combination reaction:
Hydrogen to hydrogen chloride
\[\ce{H2 + Cl2->[diffused][sun light]\underset{\text{hydrogen chloride}}{2HCl}}\]
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संबंधित प्रश्न
Explain, giving one example of the following chemical changes:
Double decomposition
(a) What is synthesis?
(b) What kind of chemical reaction is synthesis? Support your answer by an example.
Decomposition brought about by heat is known as thermal decomposition. What is the difference between thermal dissociation and thermal decomposition?
State the type of reactions for the following represent and balance the ones that are not balanced.
2H2O2→ 2H2O + O2
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.
Zinc nitrate
Give a balanced equation for a direct combination reaction involving:
Two compounds – resulting in the formation of a weak acid
Give a balanced equation for thermal decomposition of lead nitrate
Define a thermal dissociation reaction with a suitable example.
Convert a soluble base to their respective soluble salts by neutralization reaction.
