Question

Chemistry assignment of class 10 ​

Answer 1

1. Displacement reaction because zinc displaces Cu from its oxide. Zinc is more reactive than copper.

2.Double displacement reaction because here exchange of ions Cl¹- ion and [(NO)3]¹+ ions takes place between two element.

3.It is also double displacement reaction because Cl¹- ions and [(SO)4]¹+ ions are getting exchanged.

4.It is decomposition reaction because Pb(NO3)2 is getting heated to form more than two products.

5.It is displacement reaction in which aluminum displaces hydrogen from its compound.

6.It is displacement reaction

7.It is combination reaction in which two compounds Zn and O2 are getting combined to form ZnO.

8.It is combination reaction

9.It is decomposition reaction

10.It is displacement reaction

11.It is Decomposition reaction

12.It is decomposition reaction

13. It is double displacement reaction

14.It is Displacement reaction

15.It is decomposition reaction

16.It is displacement reaction

17.It is decomposition reaction

18.It is decomposition reaction

19.It is combination reaction

20.It is combination reaction