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प्रश्न
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
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उत्तर
Zinc carbonate ZnCO3
On thermal decomposition, zinc carbonate is not evolved oxygen.
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संबंधित प्रश्न
Match the following:
|
a. Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) |
i. Photochemical decomposition |
|
b. \[\ce{2AgCI(s) ->[Sunlight] 2Ag(s) + CI2(g)}\] |
ii. Thermal decomposition |
|
c. \[\ce{2KCI ->[Electricity] 2K + CI2}\] |
iii. Displacement reaction |
|
d. \[\ce{2HgO(s) ->[\Delta] 2Hg(s) + O(g)}\] |
iv. Electrolytic decomposition |
What is a decomposition reaction?
Decomposition reactions can occur by heat.
Give two balanced reactions for each.
Decomposition reactions can occur by electricity
Give balanced reactions.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Ammonium dichromate
State which of the substance given below evolve oxygen gas on thermal decomposition.
Anhydrous copper sulphate
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
Convert nitrogen to ammonia by a direct combination reaction.
Give a balanced equation for thermal decomposition of mercury [II] oxide
Give a balanced equation for the following type of reaction:
A direct combination reaction between phosphorus and neutral gas.
