1. Beryllium |
2. Cadmium |
3. Chromium |
4. Heptachlor |
5. Mercury |
6. Lead |
7. Plutonium |
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
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.You need to login to perform this action.
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