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Question
Write the formulae of the following compounds. Also name the elements present in them.
- Water
- Ammonia
- Methane
- Sulphur dioxide
- Ethanol
Solution
| Compound | Formula | Elements present | |
| (a) | Water | H2O | Hydrogen(H) and Oxygen(O) |
| (b) | Ammonia | NH3 | Nitrogen(N) and Hydrogen(H) |
| (c) | Methane | CH4 | Carbon(C) and Hydrogen(H) |
| (d) | Sulphur dioxide | SO2 | Sulphur(S) and Oxygen(O) |
| (e) | Ethanol | C2H5OH | Carbon(C), Hydrogen(H) and Oxygen(O) |
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