Advertisements
Advertisements
प्रश्न
Answer the following questions below, relating your answers only to salts in the following list:
Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water.
(i) What is the name given to the water in the compound copper sulphate-5-water?
(ii) If copper sulphate-5-water is heated, the water is driven off leaving anhydrous copper sulphate. What is the colour of anhydrous copper sulphate?
(iii) By what means, other than heating, you can dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
(iv) Which one of the salts in the given list is deliquescent?
Advertisements
उत्तर
(i) Water of cystallization.
(ii) White.
(iii) Efflorescence.
(iv) Sodium chloride.
APPEARS IN
संबंधित प्रश्न
State what would you observe when Washing Soda Crystals are exposed to the atmosphere
State whether the following statement is true or false:
Copper sulphate crystals are always wet due to the presence of water of crystallisation in them.
Name the salt which is used as a preservative in pickles, and in curing meat and fish.
Common salt is obtained from sea-water by the process of ______.
Write the name and formula of one salt which contains:
Five molecules of water of crystallisation.
Name a salts whose solubility increases with temperature.
Define the following term:
Hygroscopy
Name the anion present in the following compound:
Compound A, when warmed with concentrated sulphuric acid, gives a gas which fumes in moist air and which gives dense white fumes with ammonia.
One of the constituents of baking powder is sodium hydrogencarbonate. The other constituent is :
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:
Ferric chloride
