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Elements & Compounds Video Lecture - BPSC (Bihar)
FAQs on Elements & Compounds Video Lecture - BPSC (Bihar)
| 1. What is the difference between an element and a compound? |  |
Ans. An element is a substance that cannot be broken down into simpler substances by chemical means, while a compound is a substance made up of two or more different elements chemically combined.
| 2. How are elements represented in the periodic table? | |
Ans. Elements are represented in the periodic table by their atomic symbols, which are one or two-letter abbreviations. For example, the symbol "H" represents hydrogen, and "O" represents oxygen.
| 3. Can compounds be separated into their constituent elements? | |
Ans. Yes, compounds can be separated into their constituent elements through chemical reactions. For example, water (H2O) can be separated into hydrogen (H2) and oxygen (O2) through the process of electrolysis.
| 4. What are some examples of elements and compounds? | |
Ans. Examples of elements include hydrogen (H), oxygen (O), carbon (C), and iron (Fe). Examples of compounds include water (H2O), carbon dioxide (CO2), and sodium chloride (NaCl).
| 5. How do elements and compounds differ in terms of their properties? | |
Ans. Elements have unique properties that are characteristic of their atomic structure, such as melting point, boiling point, and reactivity. Compounds, on the other hand, have properties that are different from their constituent elements and are determined by the way the elements are chemically bonded together.
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