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प्रश्न
Complete the following statement.
In the type of reaction called_______________, two compounds exchange their positive and negative radicals.
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उत्तर
In the type of reaction called Double decomposition , two compounds exchange their positive and negative radicals.
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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 |
Decomposition reactions can occur by electricity
Give balanced reactions.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A coloured substance which decomposes violently leaving a coloured residue and evolving two neutral gases one of which is unreactive or inert in nature.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Ammonium dichromate
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
Give a balanced equation for thermal decomposition of mercury [II] oxide
Give an example of a photochemical decomposition reaction.
Give a balanced equation for the following type of reaction:
A decomposition reaction of a salt which leaves behind a silvery metal.
