Advertisements
Advertisements
प्रश्न
Taking sodium carbonate as an example, give the meaning of the following terms: Anhydrous.
उत्तर
Anhydrous: 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
The aqueous solution of one of the following salts will turn red litmus to blue. This salt is:
(a) potassium sulphate
(b) sodium sulphate
(c) sodium chloride
(d) potassium carbonate
The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is:
(a) KCl
(b) K2SO4
(c) K2CO3
(d) KNO3
A salt is dissolved in water and the pH of this salt solution is measured with a universal indicator paper. If the pH of solution is less than 7, the salt is most likely to be:
(a) CH3COONa
(b) Na2CO3
(c) KCl
(d) NH4Cl
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
How many molecules of water of crystallisation (per formula unit) are present in:
copper sulphate crystals?
name two salts which are basic.
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Define the following term : Water of crystallization
Write any five uses of salts.
Which of the following is not an acidic salt?
