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प्रश्न
Write down the formulae of magnesium hydroxide.
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उत्तर
| Ions present | Formula |
 |
Mg(OH)2 |
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संबंधित प्रश्न
The element having atomicity 'four' is most likely to be :
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
Give the empirical formula of Glucose C6H12O6 .
Write the formula of the following compound:
Sodium nitrate
Write the formula of the following compound:
Calcium sulphite
Write the formula of the following compound:
Zinc hydroxide
Write the formula of the following compound:
Tetra amine copper [II] sulphate
Write the formula of the following compound:
Iron [III] oxide
Write the formula of the following compound:
Iron [III] hydroxide
Play a game for writing formula.
Example 2: A low-cost model for writing formulae: Take empty blister packs of medicines. Cut them in groups according to the valency of the element, as shown in the figure. Now, you can make formulae by fixing one type of ion into other.
For example:
The formula for sodium sulphate:
2 sodium ions can be fixed on one sulphate ion.
Hence, the formula will be Na2SO4.
Do it yourself:
Now, write the formula of sodium phosphate.
