Advertisements
Advertisements
प्रश्न
Which of the following is NOT a toxic substances present in e-waste?
विकल्प
Cadmium
Lead
Mercury
Methane
MCQ
Advertisements
उत्तर
Methane
Explanation:
E-waste is valuable as a source of secondary raw material but is hazardous if treated and discarded improperly. Uncontrolled burning and disposal of e-waste cause environmental problems. It is of concern largely due to the toxicity of some substances, such as lead, mercury, cadmium, etc.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
