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प्रश्न
State which of the substance given below evolve oxygen gas on thermal decomposition.
Lead nitrate
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उत्तर
Lead nitrate Pb[NO3]2
On thermal decomposition, Lead nitrate is evolved oxygen.
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संबंधित प्रश्न
(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.
PbO2 + SO2→ PbSO4
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 |
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{SO2 + 2H2O + Cl2->2HCl + H2SO4}\]
Define the following type of chemical change or reaction with a suitable example.
Direct combination reaction or synthesis
Define the following type of chemical change or reaction with a suitable example.
Decomposition reaction
Define a thermal dissociation reaction with a suitable example.
Give an example of a photochemical decomposition reaction.
Define a displacement reaction with a suitable example.
Explain the term double decomposition precipitation reaction.
