Give reason:

At times while electroplating a plate, a part of it is covered with wax.

Important Questions on Chemical Effects of Electric Current

HARD

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>VALUE-BASED QUESTION>Q 1

Read the sentences given below and answer the questions that follow.
Anna and her friends investigated and discovered that a small-scale electroplating unit was functioning in their residential locality. The owners were not taking proper measures to dispose of the waste that was generated in the process. Why were the youngsters concerned about this?.

HARD

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>VALUE-BASED QUESTION>Q 2

Read the sentences given below and answer the questions that follow.
Anna and her friends investigated and discovered that a small-scale electroplating unit was functioning in their residential locality. The owners were not taking proper measures to dispose of the waste that was generated in the process. Suggest two measures that they could adapt to redress the situation.