ATTEMPT · SCIENCE & TECHNOLOGY · PRELIMS 2013

Due to improper/indiscriminate disposal of old and used computers or their parts, which of the following are…

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2013 paper Science & Technology

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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

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Prelims 2013

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