Advertisements
Advertisements
प्रश्न
Give the names and formulae of two substances
Anhydrous substance
Advertisements
उत्तर
Table salt: NaCl
Nitre: KNO3
APPEARS IN
संबंधित प्रश्न
Define water of crystallization. Give two examples with formulae.
Give two examples for Deliquescent substance.
What do you observe when Blue vitriol is heated?
Give one word for the following statement:
Water molecules in loose chemical combination with other substances.
What are hydrous substances? Explain with examples.
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.
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.
Differentiate between the following:
Deliquescent salt and hygroscopic salt
