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प्रश्न
Give four substances which contain water of crystallization and write their common name.
उत्तर
(i) Na2CO3.10H2O = Washing soda
(ii) MgSO4.7H2O = Epsom salt
(iii) CuSO4.5H2O = Blue vitriol
(iv) ZnSO4.7H2O = White vitriol
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संबंधित प्रश्न
State what would you observe when Washing Soda Crystals are exposed to the atmosphere
State one relevant observation for the following:
Anhydrous calcium chloride is exposed to air for some time.
Name the salt which is used as preservative in pickles, and in curing meat and fish.
Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process?
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
What is deliquescence? What name is given to the compounds exhibiting such property?
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.
Salt which is formed by the partial replacement of hydrogen ions of an acid by a metal is called ______.
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Sodium zincate
