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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
Explain briefly how as a student, you can help in the reduction of waste generation.
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.
What is waste disposal?
Write any two things that can be recycled.
How does recycling help reduce pollution?
Which of the following substances will not be converted to compost when added in a composting pit?
Excessive exposure to ultraviolet radiation causes ______.
It is best to separate waste into 3 different bins.
What is waste collection?
India produces 532 million kilos of solid waste every day.
