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Question
In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
Options
Copper
Silver
Palladium
Gold
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Solution
Copper
RELATED QUESTIONS
Explain briefly how as a student, you can help in the reduction of waste generation.
What can an individual do to reduce waste at home?
Match the items in column ‘A’ with the proper ones in column ‘B’ and explain their impact on the environment.
| Column ‘A’ | Column ‘B’ |
| 1. Harmful waste | a. Glass, rubber, carry bags, etc. |
| 2. Domestic waste | b. Chemicals, pigments, ash, etc. |
| 3. Biomedical waste | c. Radioactive material |
| 4. Industrial waste | d. Leftover food, vegetables, peelings of fruits. |
| 5. Urban waste | e. Bandages, cotton, needles, etc. |
What do you mean by a scrubber?
Unwanted materials pollute our ______.
The burning of solid waste in ______ is called incineration.
The process by which waste materials are used to make new products is called recycling.
Match the following:
| i. | Avoid the usage | a. | Recycle |
| ii. | Sharing newspapers | b. | Incinerate |
| iii. | Using fountain pens | c. | Buying packaged food |
| iv. | Using old clothes to make paper | d. | Reducing |
| v. | Human anatomical waste | e. | Reusing |
What are the two major types of solid wastes?
Paheli gave the following ill effects of the practice of burning dried leaves and other plant parts
- Burning degrades the soil.
- Burning produces harmful gases/fumes.
- Precious raw materials to obtain manure at low cost is lost.
- Lot of heat is generated unnecessarily.
The correct reasons of why we should not burn leaves are
