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प्रश्न
Name the element in the compound and give the formula of the following compound:
Green vitriol
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उत्तर
| Element | Element in compound | Formula |
| Green vitriol | Iron, sulphur, oxygen, hydrogen | FeSO4. 7H2O |
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संबंधित प्रश्न
Explain the difference between 2N and N2.
Write down the formulae for the following compounds :
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Formula of iron (lll) oxide is FeO.
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| Across | Down | ||
| 2 | The element used by Rutherford during his α–scattering experiment | 1 | A white lustrous metal used for making ornaments and which tends to get tarnished black in the presence of moist air |
| 3 | An element which forms rust on exposure to moist air | 4 | Both brass and bronze are alloys of the element |
| 5 | A very reactive non–metal stored under water | 6 | The metal which exists in the liquid state at room temperature |
| 6 | Zinc metal when treated with dilute hydrochloric acid produces a gas of this element which when tested with burning splinter produces a pop sound. | 8 | An element with symbol Pb |

Derive the chemical formula for calcium chloride.
