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Man Made Substances Video Lecture | Lucent for GK - UPSC

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FAQs on Man Made Substances Video Lecture - Lucent for GK - UPSC

1. What are man-made substances?
Ans. Man-made substances, also known as synthetic substances, are materials that are created by humans through chemical processes rather than occurring naturally. These substances are designed to have specific properties and characteristics for various purposes.
2. What are some examples of man-made substances?
Ans. There are numerous examples of man-made substances, including plastics, synthetic fabrics (such as polyester and nylon), artificial sweeteners, pharmaceutical drugs, artificial flavors and colors, pesticides, and synthetic rubber. These substances are created to fulfill specific needs and applications in various industries.
3. How are man-made substances produced?
Ans. Man-made substances are produced through chemical synthesis in laboratories or industrial facilities. This process involves combining different chemical compounds, often derived from natural resources, to create new substances with desired properties. The synthesis may include various reactions, such as polymerization, condensation, or oxidation, depending on the desired outcome.
4. What are the advantages of man-made substances over natural substances?
Ans. Man-made substances offer several advantages over natural substances. They can be tailored to possess specific properties, such as increased strength, durability, or resistance to chemicals. Man-made substances can also be produced in large quantities, ensuring a consistent supply for various industries. Additionally, they can be designed to be more cost-effective than natural alternatives and can be engineered to reduce environmental impact.
5. What are some concerns or risks associated with man-made substances?
Ans. While man-made substances have brought numerous benefits, there are also concerns and risks associated with their use. Some synthetic substances may have adverse effects on human health or the environment if not properly managed. For example, certain plastics can release harmful chemicals when exposed to heat or sunlight. Additionally, the disposal of man-made substances, particularly non-biodegradable ones, can contribute to environmental pollution. Therefore, it is crucial to carefully assess and regulate the use of man-made substances to mitigate potential risks.
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