Class 7 Exam > Class 7 Videos > IGCSE Cambridge Science for Year 7 > Video: Making compounds
Video: Making compounds Video Lecture | IGCSE Cambridge Science for Year 7 - Class 7
FAQs on Video: Making compounds Video Lecture - IGCSE Cambridge Science for Year 7 - Class 7
| 1. What are compounds? |  |
Ans. Compounds are substances composed of two or more elements chemically combined in a fixed ratio. Examples include water (H2O) and salt (NaCl).
| 2. How are compounds made? | |
Ans. Compounds are made through chemical reactions where atoms of different elements combine to form new substances with unique properties.
| 3. Can compounds be broken down into simpler substances? | |
Ans. Compounds can be broken down into simpler substances through chemical reactions, but the original elements cannot be physically separated.
| 4. What is the difference between elements and compounds? | |
Ans. Elements are pure substances made of only one type of atom, while compounds are made of two or more different types of atoms chemically bonded together.
| 5. Why is it important to study compounds? | |
Ans. Studying compounds is crucial in understanding the properties and behavior of substances around us, as well as in various fields like medicine, agriculture, and materials science.
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