Q. 655.0( 1 Vote )

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 institution. Name such institutions.

Answer :

a) A-Garbage; Every household produces a lot of garbage daily.

b) B-Incineration; it is a method of destroying waste material by burning at high temperature.

c) C-Incinerator; incineration is carried out in an incinerator.

d) (i) D-Carbon dioxide; CO2 is the organic matter that is removed by burning of garbage.

(ii) E- Water is left behind after burning of garbage.

(iii) F- Ash is also left behind after burning of garbage.

e) Hospitals use incineration for disposal of biomedical wastes. An efficient incinerator will destroy pathogens and sharp materials and the source materials are not found in the ash that is left behind.

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