Advertisements
Advertisements
प्रश्न
Arrange the following metals in the increasing order of their reactivities:
Copper, Zinc, Aluminium, and Iron
Advertisements
उत्तर
Among the following given metals, aluminum is most reactive and copper is least reactive in nature. The reactivity order of the given metals is Al>Zn>Fe>Cu.
APPEARS IN
संबंधित प्रश्न
_________ solution is blue in colour.
(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3
Differentiate between metal and non-metal on the basis of their chemical properties.
The reaction of an iron nail with copper sulphate solution is ........... reaction.
(a) Combination
(b) Displacement
(c) Double displacement
(d) Decomposition
Arrange the following metals in order of their chemical reactivity, placing the most reactive metal first:
Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium.
Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
What is the action of water on aluminium ? Write equation of the chemical reaction involved.
Write the equation for the reaction of Aluminium with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
The elements whose oxides can turn phenolphthalein solution pink are:
(a) Na and K
(b) K and C
(c) Na and S
(d) K and P
What is the characteristic of the electronic configuration of noble gases?
Calcium floats over water during the reaction with water. Give reason.
