Question

1.State two values displayed by the students of Japanese schools.
2.Why did the principal tell her students that the suggested ideas, in a way, similar to
what happens in a displacement reaction?
3.Give one example of a displacement reaction.​

Answer 1

1) Responsible,Team work

2)The principle told her students because she want all the students to clean her classroom too and be a responsible person for future.

3)A displacement reaction is the one wherein the atom or a set of atoms is displaced by another atom in a molecule. For instance, when Iron is added to a copper sulphate solution, it displaces the copper metal. The above equation exists when A is more reactive than B.

Answer 2

Answer:

1. Two values displayed by students of Japanese schools are-

   i.Responsibility and helpfulness.

   ii.Team work and avoiding discrimination.

2. The principal is dissolving the older methods of cleaning the school and replacing it by newer methods where a team of students clean the school. It is same as displacement reaction as in displacement reaction, one element displaces another in a compound.

3. One example of displacement reaction is -

    i.Fe + CuSO4(aq) → FeSO4(aq) + Cu(s)