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प्रश्न
Convert an insoluble base
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उत्तर
Insoluble base to soluble salt:
\[\ce{\underset{\text{[insoluble base]}}{Cu[II]oxide} \underset{\text{base}}{Cu.O} + \underset{\text{acid}}{H2SO4}->\underset{\text{Salt [Soluble salt]}}{CuSO4} + \underset{\text{water}}{H2O}}\]
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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.
2HgO → 2Hg + O2
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 |
Multiple choice:
The reaction BaCl2(aq) + H2SO4(aq) → BaSO4(s) + 2HCl(aq) is
Give an example of double displacement reaction, where a gas is evolved.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Trilead tetroxide
State which of the substance given below evolve oxygen gas on thermal decomposition.
Mercury [II] oxide
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{Cl2 + 2Kl->2KCl + l2}\]
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a yellow non-metal
Give a balanced equation for a direct combination reaction involving:
Two compounds – resulting in the formation of a weak acid
