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प्रश्न
Match the following
| 1. | Blue vitriol | CaSO4.2H2O |
| 2. | Gypsum | CaO |
| 3. | Deliquescence | CuSO4.5H2O |
| 4. | Hygroscopic | NaOH |
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उत्तर
| 1. | Blue vitriol | CuSO4.5H2O |
| 2. | Gypsum | CaSO4.2H2O |
| 3. | Deliquescence | NaOH |
| 4. | Hygroscopic | CaO |
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संबंधित प्रश्न
Give two examples for Deliquescent substance.
Water turns the colour of anhydrous copper sulphate .................
Give one word for the following statement:
Water molecules in loose chemical combination with other substances.
State the methods by which hydrated salts can be made anhydrous.
Complete the statement by filling the blank with the correct word from the option.
Hygroscopic substance absorb moisture from the atmosphere & _______their original state.
Explain the following observation:
In the expression anhydrous copper sulphate, what is meant by “anhydrous”?
Select the correct answer from the choice given in the options.
An anhydrate of a heptahydrate salt _____.
Give a reason for the following:
Heating a hydrated copper sulphate crystal is deemed a chemical change.
The molecular formula of green vitriol is MgSO4.7H2O.
What happens when MgSO4.7H2O is heated? Write the appropriate equation?
