Question: Due to improper/ indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste?
- Beryllium
- Cadmium
- Chromium
- Heptachlor
- Mercury
- Lead
- Plutonium Select the correct answer using the codes given below.
Options:
A) 1, 3, 4, 6 and 7 only
B) 1, 2, 3, 5 and 6 only
C) 2, 4, 5 and 7 only
D) 1, 2, 3, 4, 5, 6 and 7
Show Answer
Answer:
Correct Answer: B
Solution:
- Electronic waste or E-waste has ferrous and nonferrous metals both. Non-ferrous metals like copper, aluminum, silver, gold, platinum, palladium etc. The presence of elements like lead, mercury arsenic, cadmium, selenium and hexavalent chromium are classified as hazardous waste.