Due to improper in discrimate disposal of old and used computers or their parts which of the followi...........

General Science (Easy) Physics

Due to improper /in discrimate disposal of old and used computers or their parts, which of the following are released into the environment as e- waste?

1. Beryllim 2.Cadmium

3.Chromium 4.Heptachlor

5.Mercury 6.Lead

7. Plutonium

Select the correct answer using the codes given below:

1, 3, 4, 6 and 7only

1, 2, 3, 5 and 6only

2, 4, 5 and 7 only

1, 2, 3, 4, 5 6 and7

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Explanation:

1, 2, 3, 5 and 6 only

Electronic waste or E-waste has ferrous and nonferrous metals both. Non-ferrous metals like copper, aluminium, silver, gold, platinum, palladium etc. The presence of elements like lead, mercury arsenic, cadmium, selenium and hexavalent chromium are classified as hazardous waste.Read more on Sarthaks.com - https://www.sarthaks.com/83843/due-to-improper-indiscriminate-disposal-of-old-and-used-computers-or-their-parts-which-the