Advertisements
Advertisements
प्रश्न
Name three products of the chlor-alkali process. State two uses of each of these products.
उत्तर
The three main products of the chlor-alkali process are H2, Cl2 and NaOH.
Uses of sodium hydroxide:
(i) It is used for making soaps and detergents.
(ii) It is used for making synthetic textile fibre (such as rayon).
Uses of chlorine:
(i) It is used in the production of bleaching powder.
(ii) It is used to sterilise drinking water supply and the water in swimming pools, because it is a disinfectant.
Uses of hydrogen:
(i) It is used in the hydrogenation of oils to obtain solid fats called vegetable ghee.
(ii) Liquid hydrogen is used as a fuel for rockets.
APPEARS IN
संबंधित प्रश्न
Identify the substance underlined, in the following case
A solid formed by reaction of two gases, one of which is acidic and the other basic in nature
Name the major salt present in sea-water.
How is common salt obtained from sea-water?
Fill in the following blank:
Common salt is obtained from sea-water by the process of.............
Explain why chlorine is used for sterilising drinking water supply.
What is meant by 'hydrated' and 'anhydrous' salts? Explain with examples.
A salt is dissolved in water and the pH of this salt solution is measured with a universal indicator paper. If the pH of solution is less than 7, the salt is most likely to be:
(a) CH3COONa
(b) Na2CO3
(c) KCl
(d) NH4Cl
Write the name and formula of one salt each which contains:
two molecules of water of crystallisation
Name a salt whose solubility decreases with temperature.
Distinguish by a chemical test sodium chloride and sodium sulphite.
