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प्रश्न
Explain, giving one example for each of the following chemical changes:
Displacement
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उत्तर
Displacement
It is a chemical change in which a more active element displaces a less active element from its salt solution.
CuSO4 + Zn → ZnSO4 + Cu
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संबंधित प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
Fe + CuSO4→ FeSO4 + Cu
State the type of reactions for the following represent and balance the ones that are not balanced.
2H2O2→ 2H2O + O2
What is a decomposition reaction?
State which of the substance given below evolve oxygen gas on thermal decomposition.
Ammonium dichromate
Define the following type of chemical change or reaction with a suitable example.
Displacement reaction or substitution reaction
Convert hydrogen to hydrogen chloride by a direct combination reaction.
Give a balanced equation for thermal decomposition of mercury [II] oxide
Select the correct answer from the options given below:
State the gaseous product formed, when
A metallic nitrate undergoes thermal decomposition giving a coloured gas.
Give a balanced equation for the following type of reaction:
A decomposition reaction of a salt which leaves behind a silvery metal.
Differentiate between the following:
Thermal decomposition & thermal dissociation.
