a) Chemistry is the scientific study of the composition, structure, properties, and reactions of matter, as well as the energy changes that accompany these processes.
b) Chemistry contributes to daily life in the scenario in the following ways:
- Fertilisers: Chemistry is used to formulate and produce fertilisers, which provide essential nutrients to plants, improving crop yields and food security.
- Medicines: Pharmacists use chemical knowledge to prepare, dispense, and understand the effects of medicines, which are chemical compounds designed to treat diseases.
- Fuel: Chemistry is fundamental to the refining of crude oil into various fuels like petrol, which power transportation and machinery.
- Plastics: The manufacturing of plastics involves complex chemical polymerization processes, creating versatile materials used in countless everyday products.
c) Learning Chemistry is important for society for these reasons:
- It helps in understanding and developing new materials and technologies that improve quality of life, such as advanced electronics and construction materials.
- It is crucial for addressing environmental challenges like pollution control, water purification, and developing renewable energy sources.
- It provides the foundation for advancements in medicine and healthcare, leading to new drugs, diagnostic tools, and treatments for diseases.
d) One example of a product in daily life derived from chemical processes is soap.
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