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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.
APPEARS IN
संबंधित प्रश्न
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.
Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process?
The products of chlor-alkali process are:
(a) NaCl, Cl2 and H2
(b) H2, Cl2 and NaOH
(c) Cl2, Na2CO3 and H2O
(d) NaOH, Cl2 and HCl
The metal salt A is blue in colour. When salt A is heated strongly over a burner, then a substance B is eliminated and a white powder C is left behind. When a few drops of a liquid D are added to powder C, it becomes blue again. What could be A, B, C and D
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Outline the steps required to convert hydrogen chloride to anhydrous iron (III) chloride. Write the equations for the reactions.
Name gases which has a sour taste.
Distinguish by a chemical test sodium hydroxide solution and ammonium hydroxide solution.
Name the salt formed when sulphuric acid is added to sodium hydroxide and write its pH.
Select the correct answer from A, B, C, D and E.
A compound which in the aqueous solution state, is neutral in nature.
