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प्रश्न
What happens when MgSO4.7H2O is heated? Write the appropriate equation?
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उत्तर
MgSO4.7H2O has water of crystallization is 7. When magnesium sulphate heptahydrate crystals are gently heated, it loses seven water molecules and becomes anhydrous magnesium sulphate.
\[\ce{\underset{\text{Magnesium sulphate heptahydrate}}{MgSO4.7H2O} ⇌[Heating][Cooling]\underset{\text{Anhydrous Magnesium sulphate}}{MgSO4 + 7H2O}}\]
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संबंधित प्रश्न
What do you observe when Blue vitriol is heated?
Water turns the colour of anhydrous copper sulphate .................
Differentiate the function of concentrated sulphuric acid as a drying agent & as a dehydrating agent. Is fused calcium chloride a dehydrating or a desiccating agent. Give reasons.
Complete the statement by filling the blank with the correct word from the option.
Hygroscopic substance absorb moisture from the atmosphere & _______their original state.
Match the substances in List I with the appropriate answer in List II.
| List I | List II |
| 1. Green vitriol | A: Permanent hardness in water |
| 2. Paint | B: Hygroscopic |
| 3. Magnesium chloride | C: Temporary hardness in water |
| 4. Magnesium bicarbonate | D: Heptahydrate |
| 5. Calcium oxide | E: Colloidal |
Explain the following observation:
In the expression anhydrous copper sulphate, what is meant by “anhydrous”?
Explain the following observation:
Why is fused calcium chloride or cone, sulphuric acid used in a desiccator?
Differentiate between hydrated and anhydrous crystals with examples. State three defined changes that occur when hydrated copper sulphate is heated.
Select the correct answer from the choice given in the options.
An anhydrous crystal _____.
Define Hydrated salt.
