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प्रश्न
Write the molecular formulae of the compounds of the following elements with hydrogen by referring to the Mendeleev’s periodic table.
C, S, Br, As, F, O, N, Cl
रासायनिक समीकरणे/रचना
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उत्तर
| Elements | Compounds (with hydrogen) |
| C | CH4 Methane |
| S | H2S Hydrogen sulphide |
| Br | HBr Hydrogen bromide |
| As | AsH3 Arsine |
| F | HF Hydrogen fluoride |
| O | H2O Water |
| N | NH3 Ammonia |
| Cl | HCl Hydrogen chloride |
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