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प्रश्न
In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
विकल्प
Copper
Silver
Palladium
Gold
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उत्तर
Copper
संबंधित प्रश्न
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.
State the scientific and eco-friendly methods of waste management.
What are sources of waste?
What is meant by domestic waste?
How does an incinerator work?
Explain the role of government in waste management.
Study the image below and write down three items you have at home in each category of waste.
Non-recyclable: ______
It is best to separate waste into 3 different bins.
What is Landfill?
Suggest suitable mechanism(s) for waste management in fertilizer industries.
