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प्रश्न
Write a balanced equation for the preparation of the following salts:
Copper sulphate from Copper Carbonate.
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उत्तर
`CuCO_3 + H_2SO_4 -> CuSO_4 + CO_2 + H_2O`
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संबंधित प्रश्न
The pH of a salt used to make tasty and crispy pakoras is 14. Identify the salt and write a chemical equation for its formation. List its two uses.
Explain how anhydrous copper sulphate can be used to detect the presence of moisture (water) in a liquid
What happens when a concentrated solution of sodium chloride (brine) is electrolysed? Write the equation of the reaction involved.
What will be the colour of litmus in an aqueous solution of ammonium chloride salt?
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
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
red litmus blue?
How many molecules of water of crystallisation (per formula unit) are present in:
copper sulphate crystals?
Define the following term:
Water of crystallization
Taking sodium carbonate as an example, give the meaning of the following terms:
Water of crystallization
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?
