Advertisements
Advertisements
प्रश्न
Match the following
| 1. | Blue vitriol | CaSO4.2H2O |
| 2. | Gypsum | CaO |
| 3. | Deliquescence | CuSO4.5H2O |
| 4. | Hygroscopic | NaOH |
Advertisements
उत्तर
| 1. | Blue vitriol | CuSO4.5H2O |
| 2. | Gypsum | CaSO4.2H2O |
| 3. | Deliquescence | NaOH |
| 4. | Hygroscopic | CaO |
APPEARS IN
संबंधित प्रश्न
Define water of crystallization. Give two examples with formulae.
The sticky substance formed when soap is added to hard water is ______.
Give the names and formulae of two substances
Anhydrous substance
What are drying or desiccating agents? Give examples.
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.
Differentiate between hydrated and anhydrous crystals with examples. State three defined changes that occur when hydrated copper sulphate is heated.
Give a reason for the following:
Heating a hydrated copper sulphate crystal is deemed a chemical change.
Differentiate between the following:
Deliquescent salt and hygroscopic salt
The molecular formula of green vitriol is MgSO4.7H2O.
