Key Terms

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Last edited 25 days ago by Learn LoopHQ.

Chapter: 01. Introduction To Chemistry

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Science: The systematic knowledge gained by humans through observations and experimentation.

Scientist: A person who has a vast knowledge of Science and is engaged in scientific research.

Chemistry: A branch of Science that deals with the study of the composition and the physical and chemical properties of various forms of matter.

Matter: All the substances that things around us are made up of.

Alchemy: An ancient practice that was both scientific and spiritual, playing an important role in the development of Chemistry.

Alchemists: People who used to practice alchemy, studying the nature of substances and making useful compounds.

Philosopher’s stone: A magical substance alchemists sought, believed to turn metals to gold and extend lifespan/grant immortality.

Fertilisers: Chemicals that provide nutrients to crops and help to increase agricultural production.

Pesticides: Chemicals used to kill pests that harm crops and reduce the yield.

Insecticides: Chemicals used to kill insects that infest crops.

Fungicides: Chemicals used to protect crops from fungi.

Food processing: The process of combining raw food ingredients by physical and chemical methods into marketable food products.

Food preservation: The process of treating food with certain chemicals to prevent the growth of micro-organisms and spoilage of food.

Preservatives: Chemicals used for food preservation to prevent the growth of micro-organisms and spoilage.

Medicines (Drugs): Chemical substances that are used to treat diseases and save lives.

Analgesic: A type of medicine used to reduce body pain.

Antipyretic: A type of medicine used to reduce body temperature.

Antibiotic: A type of medicine used to fight bacterial infections.

Antacid: A type of medicine used to reduce the excessive acid in the stomach.

Cosmetics: Products used to clean, protect and enhance the external appearance of the human body.

Talcum powder: A soft white powder made from talc or magnesium silicate, used as a cosmetic.

Fuels: Substances that produce a large amount of heat energy on combustion, used to power transport.

Hydrochloric acid: An acid present in the stomach that helps in the digestion of food.

Enzymes: Chemical substances secreted in the body that help to carry out various chemical reactions.

Hormones: Chemical substances that control various activities in the body.

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