E-Waste Management

What are the constitute of E-waste

• E-waste consists of steel constitute about 50%, followed by plastics (21%), Other metals (13%) and other constituents.

• E-waste consists of steel constitute about 21%, followed by plastics (50%), Other metals (13%) and other constituents

Which of the following element make e-waste hazardous in nature?

• Lead
  

• Glass

• Plastic

• Iron

Answer explanation

The presence of elements like lead, mercury, arsenic, cadmium, selenium, hexavalent chromium, and flame retardants beyond threshold quantities make e-waste hazardous in nature.

What is the hazardous pollutant released from LED’s?

• 
  Cadmium

• Arsenic

• Barium

• Cobalt

Answer explanation

Semiconductors, diodes, microwaves, LED’s (Light-emitting diodes), solar cells releases arsenic into the environment.

What is the hazardous pollutant released from batteries?

• Cobalt

• Arsenic
  

• Barium

• Cadmium

Answer explanation

Batteries, pigments, solder, alloys, circuit boards, computer batteries, monitor cathode ray tubes (CRT) releases cadmium when handled improperly.

What is the hazardous pollutant released from cellphones?

• Barium

• Lead

• Lithium
  

• Copper

Which of the hazardous pollutant occurs in plastic?

• Lead

• polychlorinated biphenyls

• 
  Copper

• Lithium

Which of the following metal impairs foetus growth?

• Mercury

• Lead
  
  

• Barium

• Chromium

Answer explanation

Mercury affects the central nervous system, kidneys and immune system. It impairs foetus growth and harms infants through mother’s milk.

Long term exposure to which of the following metal causes Itai-itai disease?

• Beryllium

• Lead
  

• Barium

• Cadmium

Answer explanation

Long-term exposure of cadmium causes Itai-itai disease, which causes severe pain in the joints and spine and affects the kidneys and softens bones.

What percent of all e-waste is recycled?

• 40

• 50

• 20

• 80

Which international event used medals made with gold extracted from e-waste?

• ICC Cricket World Cup

• Expo 2020/

• F/IFA World Cup 2022

• Tokyo 2020