write two uses of sodium hydroxide,chlorine and hydrogen
class 10
chemistry
@seasonind
Answers
Answer:
sodium hydroxide:
(a)for prepare common salt
(b)making soaps
(c)used in paper and glass industry
chlorine:
(a)for chlorination of water
(b)for making bleaching powder
(c) antiseptic
hydrogen:
(a)hydrogenation of fats and oils
(b)welding
(c) as rocket fuel
Explanation:
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Answer:-
Sodium hydroxide:-
1. It is used in chemical manufacturing, oil refining, hydraulic fracturing, water treatment and metal processing.
2. It is used in the manufacture of fabric, plastic wrap, paper and soap.
Chlorine:-
1. Chlorine kills bacteria – it is a disinfectant. It is used to treat drinking water and swimming pool water.
2. It is also used to make hundreds of consumer products from paper to paints, and from textiles to insecticides.
Hydrogen:-
1. Commercial fixation of nitrogen from the air in the Haber ammonia process.
2. Hydrogenation of fats and oils.
3. Methanol production, in hydrodealkylation, hydrocracking, and hydrodesulphurization.
4. Rocket fuel.