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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?
उत्तर
(i) Water of cystallization.
(ii) White.
(iii) Efflorescence.
(iv) Sodium chloride.
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संबंधित प्रश्न
The salt whose aqueous solution will have no effect on either red litmus or blue litmus is
(a) potassium sulphate
(b) sodium carbonate
(c) ammonium sulphate
(d) sodium acetate
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?
What is a ‘salt’?
name two salts which are acidic.
Define the following term: Hygroscopy.
Fill in the blank
___________ is the phenomenon by which hydrated salts on exposure to dry air, lose their water of crystallization and crumble to powder.
Differentiate hydrate and anhydrous salts with examples.
Write any five uses of salts.
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
