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प्रश्न
Name a metallic oxide which on thermal decomposition is reduced to metal.
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उत्तर
Metal oxide on thermal decomposition reduces to metal:
\[\ce{\underset{\text{mercury (II) oxide}}{2HgO}->[\Delta]\underset{\text{metal mercury}}{2Hg} + O2}\]
\[\ce{2Ag2O->[\Delta]4Ag + O2}\]
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संबंधित प्रश्न
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
State which of the substance given below evolve oxygen gas on thermal decomposition.
Anhydrous copper sulphate
Give a balanced equation for the following reaction of synthesis involving the formation of:
A salt – from a trivalent metal and a coloured gas.
Convert hydrogen to hydrogen chloride by a direct combination reaction.
Give a reason why zinc displaces hydrogen from dilute sulphuric acid but copper does not.
Complete the statement by filling in the blank with the correct word:
Formation of hydrogen chloride from hydrogen and chlorine is an example of __________.
Complete the statement by filling in the blank with the correct word:
The neutral gas evolved when lead nitrate undergoes thermal decomposition is _________.
Give a balanced equation for the following type of reaction:
A direct combination reaction between phosphorus and neutral gas.
Give a balanced equation for the following type of reaction:
A soluble salt of lead formed from an insoluble base by double decomposition – neutralization.
Give a balanced equation for the following type of reaction:
A decomposition reaction of a salt which leaves behind a silvery metal.
