Q: 4 (IAS/2013)

ExamRobot is now available as Android Mobile APP. Please use the APP for the most up-to-date features and updates.


 Get it on Google Play
Due to improper/indiscriminate disposal of old and used computers of their parts, which of the following are released into the environment as e-waste?
1. Beryllium
2. Cadmium
3. Chromium
4. Heptachlor
5. Mercury
6. Lead
7. Plutonium

Select the correct answer using the codes given below.
question_subject: 
Ecology
question_year: 
2013
question_exam: 
IAS
question_sub_subject: 
Ecology
question_topic: 
Ecology
stats: 
0,7888,3248,800,7888,592,1856