Advertisements
Advertisements
प्रश्न
Taking sodium carbonate as an example, give the meaning of the following terms:
Anhydrous
Advertisements
उत्तर
Hydrous salt on heating lose their water of crystallization, such salts are then called anhydrous.
For example: Na2CO3.10H2O on losing 10 molecules of water forms Na2CO3.
APPEARS IN
संबंधित प्रश्न
Write the chemical name and formula of common salt.
What are the two main ways in which common salt (sodium chloride) occurs in nature?
Give any two uses of common salt (sodium chloride).
How would you show that blue copper sulphate crystals contain water of crystallisation?
Give one example of a salt which gives an aqueous solution having:
pH more than 7
You are asked to prepare hard water in your laboratory. Select a group from the following groups of salts, any salt of which you may dissolve in distilled water to obtain hard water.
(A) NaCl; Na2SO4; KCl
(B) NaCl; CaCl2; KCl
(C) CaCl2; CaSO4; MgSO4
(D) Na2SO4; CaSO4; MgSO4
Taking sodium carbonate as an example, give the meaning of the following terms:
Water of crystallization
State what would you observe when :
The salt ferric chloride is exposed to the atmosphere.
Name gases which has a sour taste.
Select the correct answer from A, B, C, D and E.
A compound which in the aqueous solution state, is neutral in nature.
