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प्रश्न
In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
पर्याय
Copper
Silver
Palladium
Gold
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उत्तर
Copper
संबंधित प्रश्न
Mention any two sources of wastes.
Every household produces a lot of material A daily. In one of the methods of disposal B, material A is burned at a very high temperature of about 1000°C in a structure called C. During this process, the organic matter present is removed as D and E whereas F is left behind (which can be dumped in a landfill site).
(a) What is material A?
(b) Name the method of disposal B.
(c) What is structure C known as?
(d) What are (i) D (ii) E, and (iii) F?
(e) This method is especially suitable for the disposal of materials produced by certain institutions. Name such institutions.
Match the items in column ‘A’ with the proper ones in column ‘B’ and explain their impact on the environment.
| Column ‘A’ | Column ‘B’ |
| 1. Harmful waste | a. Glass, rubber, carry bags, etc. |
| 2. Domestic waste | b. Chemicals, pigments, ash, etc. |
| 3. Biomedical waste | c. Radioactive material |
| 4. Industrial waste | d. Leftover food, vegetables, peelings of fruits. |
| 5. Urban waste | e. Bandages, cotton, needles, etc. |
What is waste disposal?
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as ____________.
______ is the very important step in waste management.
What is waste disposal or final disposal?
What is Landfill?
India produces 532 million kilos of solid waste every day.
Suggest suitable mechanism(s) for waste management in fertilizer industries.
