Environmental Issue And Environmental Pollution Ques 64

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?
  1. Beryllium
  2. Cadmium
  3. Chromium
  4. Heptachlor
  5. Mercury
  6. Lead
  7. 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.