Advertisements
Advertisements
Question
Name three products of the chlor-alkali process. State two uses of each of these products.
Solution
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
RELATED QUESTIONS
Write a balanced chemical equation for Action of dilute hydrochloric acid on magnesium sulphite.
What are the two main ways in which common salt (sodium chloride) occurs in nature?
How is common salt obtained from sea-water?
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
Give one example of a salt which gives an aqueous solution having:
pH less than 7
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
State what would you observe when :
Washing soda crystals are exposed to the atmosphere.
The chemical name of plaster of Paris is ______.
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:
Copper sulphate
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
