
- There are many instances in your everyday life that involve the knowledge of chemistry, its applications, and its rules.

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Chemistry play crucial role. some of these are:
- Chemical fertilizers such as calcium superphosphate, urea, ammonium sulfate, and sodium nitrate. These chemicals have assisted greatly in increasing the yield of fruits, vegetables, and other crops

- Manufacture of pesticides, but depending on the targeted pest, pesticides include fungicides, herbicides, and insecticides.

- Manufacturing of better quality plastic pipes for irrigation, and it is commonly used in farming.

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Other than agricultural products, chemistry has led to the discovery of different kinds of food preservatives.
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Consumers have benefited from new technologies that have increased their food availability, appearance, nutritional content, and flavor.

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A local example of food processing and keeping it for a longer period of time is the preservation of raw meat.

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- Chemistry has provided mankind with a large number of life-saving medicines.
- We could find a cure for dysentery and pneumonia as a result of the discovery of sulfur drugs and penicillin.
- Besides this, life-saving drugs like cisplatin and Taxol are effective for cancer therapy, and AZT is used for AIDS victims.
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1. Disinfectants
2. Analgesics
3. Anesthetics
4. Antibiotics
5. Antiseptics
6. Tranquilizers
1. Disinfectants
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Are used to kill the microbe present in toilets, floors, and drains. The sanitizers we use for Covid-19 belong to this group.

2. Analgesics
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An analgesic, or painkiller, is any member of the group of drugs used to achieve analgesia, relief from pain.

3. Anesthetics
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Has made medical operations more and more effective via relieving pain.

4. Antibiotics
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Are used to control infection and cure diseases.

5. Antiseptics
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Are used to contamination of the wounds by bacteria.

6. Tranquilizers
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To reduce tension and bring about calm and peace to patients suffering from mental diseases.

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Providing building resources such as glass, steel, and cement, chemistry helps in the construction of safer houses and multi-story structures.
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It also helps in the construction of long-lasting and durable dams and bridges.

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1. List down the role of chemistry in your locality.
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2. What problems, do you think, will be observed in the livelihood of the community in which you are living in the absence of enough knowledge of chemistry?
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Human life would be full of problems and challenges.
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Different diseases, especially diseases like HIV, AIDS, etc., would have killed more than we can imagine.
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The problem of air and water pollution would have been rampant.
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In general, life would have been much more challenging than it is today.
3. In your opinion, what further roles can chemistry play?
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By using the knowledge of chemistry,
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Different problem can be solved
For examples
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Water pollution, air pollution and soil pollution