Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given in the options.
An anhydrous crystal _____.
पर्याय
blue vitriol
epsom salt
lead chloride
Advertisements
उत्तर
An anhydrous crystal lead chloride.
APPEARS IN
संबंधित प्रश्न
Give the names and formulae of two substances.
Hydrated substance
Name three methods by which hydrous substances 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.
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”?
Differentiate between hydrated and anhydrous crystals with examples. State three defined changes that occur when hydrated copper sulphate is heated.
Select the correct word from the words in option to complete the sentence:
Efflorescence occurs when the vapour pressure of the hydrated crystals is ____ than the vapour pressure of the atmospheric humidity.
Select the correct answer from the choice given in the options.
An anhydrate of a heptahydrate salt _____.
Name or state the following:
A liquid hydroscopic substance.
What happens when MgSO4.7H2O is heated? Write the appropriate equation?
