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प्रश्न
Answer the following question:
List the important products of the Chlor-alkali process. Write one important use of each.
उत्तर
There are three products that are produced in the Chlor-alkali process, which are Sodium Hydroxide(NaOH), chlorine gas (Cl2) and hydrogen gas(H2).
Uses of sodium hydroxide:
1. It is used in the manufacturing of paper.
2. It is used for making soaps and detergents.
Uses of chlorine gas:
1. It is used in the production of bleaching powder.
2. It is used to make plastics(PVC), pesticide chlorofluorocarbon(CFCs), chloroform, carbon tetrachloride, Paints.
Uses of hydrogen gas:
1. It is used as a fuel for rockets.
2. It is used in the hydrogenation of oils to obtain vegetable ghee.
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संबंधित प्रश्न
We need 20% aqueous solution of sodium hydroxide for the study of saponification reaction. When we open the lid of the bottle containing solid sodium hydroxide we observe it in which form?
(A) Colourless transparent beads
(B) Small white beads
(C) White pellets/flakes
(D) Fine white powder
A student Prepared 20% sodium hydroxide solution in a beaker to study saponification reaction. Some observations related to this are given below :
(I) Sodium hydroxide solution turns red litmus blue
(II) Sodium hydroxide readily dissolves in water
(III) The beaker containing solution appears cold when touched from outside
(IV) The blue litmus paper turns red when dipped into the solution
The correct observations are :-
(A) I, II and IV
(B) I, II and III
(C) only III and IV
(D) only I and II
Explain by taking the example of hydrochloric acid and sodium hydroxide. Give equation of the chemical reaction which takes place. What is the special name of such a reaction?
The electrolysis of an aqueous solution of sodium chloride gives us three products. Name them.
During the electrolysis of a saturated solution of sodium chloride, where is:
hydrogen formed?
During the electrolysis of a saturated solution of sodium chloride, where is:
sodium hydroxide formed?
An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?
Sodium hydroxide is used ____________.
Sodium hydroxide turns phenolphthalein solution.
The industrial process used for the manufacture of caustic soda involves electrolysis of an aqueous solution of compound 'X'. In this process, two gases 'Y' and 'Z' are liberated. 'Y' is liberated at cathode and 'Z', which is liberated at anode, on treatment with dry slaked lime forms a compound 'B'. Name X, Y, Z and B.
