Advertisements
Advertisements
Question
Complete and balance the following equation:
Cu (NO3)2 (aq) + Zn(s) →
Advertisements
Solution
Cu(NO3)2(aq) + Zn(s) → Zn(NO3)2(aq) + Cu(s)
APPEARS IN
RELATED QUESTIONS
Why is sodium kept immersed in kerosene oil?
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
Write the chemical reaction when iron reacts with dilute H2SO4.
Complete and balance the following equation:
Na2O + H2O →
Fill in the following blank with suitable word:
Ordinary aluminium strips are not attacked by water because of the presence of a layer of ................. on the surface of aluminium.
Explain why, metals usually do not liberate hydrogen gas with dilute nitric acid.
What happens when a rod of zinc metal is dipped into a solution of copper sulphate? Give chemical equation of the reaction involved.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
What is meant by the reactivity series of metals? Arrange the following metals in an increasing order of their reactivities towards water:
Zinc, Iron, Magnesium, Sodium
Name one metal which displaces copper from copper sulphate solution and one which does not.
One of the following is not a neutral oxide. This is:
(a) CO
(b) H2O
(c) N2O
(d) Na2O
An acidic oxide is produced by the element:
(a) Na
(b) C
(c) Ca
(d) H
Out of the following oxides, the amphoteric oxide is:
(a) Fe2O3
(b) Al2O3
(c) P2O5
(d) N2O
The metals which can produce amphoteric oxides are:
(a) sodium and aluminium
(b) zinc and potassium
(c) calcium and sodium
(d) aluminium and zinc
A metal less reactive and another metal more reactive than hydrogen are:
(a) aluminium and lead
(b) iron and magnesium
(c) copper and tin
(d) copper and mercury
State and explain the reaction, if any, of the following metals with a solution of copper sulphate:
(a) Gold
(b) Copper
(c) Zinc
(d) Mercury
When calcium metal is added to water, the gas evolved does not catch fire but the same gas evolved on adding sodium metal to water catches fire. Why is it so?
What are noble gases
Write the chemical equation for the following reaction:
Cinnabar is heated in the presence of air.
Which one among the following is an acidic oxide?
