Advertisements
Advertisements
प्रश्न
Explain, giving one example for each of the following chemical changes:
Displacement
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
APPEARS IN
संबंधित प्रश्न
Explain, giving one example of the following chemical change:
Thermal dissociation
(a) Define the neutralization reaction with an example.
(b) Give a balanced equation for this reaction.
(c) Give three applications of neutralization reactions.
State the type of reactions for the following represent and balance the ones that are not balanced.
2KClO3→ 2KCl + 3O2
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
Convert hydrogen to hydrogen chloride by a direct combination reaction.
Name a metallic oxide which on thermal decomposition is reduced to metal.
Convert a soluble base to their respective soluble salts by neutralization reaction.
Give a balanced equation for the following type of reaction:
A synthesis reaction between a metal and a non-metal resulting in the formation of an insoluble salt of iron.
Differentiate between the following:
Synthesis reaction and a substitution reaction.
Differentiate between the following:
Thermal decomposition & thermal dissociation.
