ICSE Class 10 Chemistry Chapter 11 Study of Components (Sulphuric Acid) Revision Notes

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ICSE Class 10 Chemistry Chapter 11 Study of Components (Sulphuric Acid) Revision Notes

 

Revision is very important for better conceptual understanding and securing good marks, and for Revision, Revision Notes are always considered the best. ICSE Class 10 Chemistry Chapter 11 Study of Components (Sulphuric Acid) Revision Notes are one of the most important pieces of study material that students can receive, as it will aid them to study better and reduce the level of stress that students face during the hectic year

We, at Swiflearn, provide ICSE Class 10 Chemistry Chapter 11 Study of Components (Sulphuric Acid) Revision Notes in an easy-to-understand, free downloadable PDF format for the students to frame a better understanding of the topic. Free ICSE Class 10 Chemistry Chapter 11 Study of Components (Sulphuric Acid) Revision Notes provided here are prepared by Subject Matter Experts at Swiflearn in accordance with the latest ICSE Class 10 Syllabus and CISCE guidelines. These ICSE Class 10 Chemistry Chapter 11  Revision Notes will definitely help students to save a lot of time during their examinations.

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Properties of Sulphuric Acid

 

Sulphuric Acid has molecular formula H2SO4 and molecular mass of 98. Sulphuric acid is called ‘King of Chemicals’ because of its extensive use in a large number of industries.

 

  • Sulphuric acid is a powerful protonating agent.
  • It is also a moderately strong oxidising agent.
  • Sulphuric acid is also a powerful dehydrating agent and is used to remove a molecule of water from many organic compounds.
  • Sulphuric Acid, H2SO4, is a dibasic acid because it contains two hydrogens atoms which ionise in aqueous solution to become Hydrogen Ions, H(+).

H2SO4 ==> 2 H(+) + SO4(2-)

 

 

 

Preparation of Sulphuric Acid

 

The Contact Process is used for manufacturing sulphuric acid and fuming sulphuric acid from sulphur dioxide, which is made by burning sulphur or by roasting sulphide ores and oxygen (in the form of air) which combine to form sulphur trioxide in the presence of a catalyst.

 

Manufacture of Sulphuric Acid by Contact Process

 

Sulphuric acid is produced from sulphur, oxygen and water via the conventional contact process or the wet sulphuric acid process (WSA). The Contact process can be divided into five stages:

1. Combining of sulphur and dioxygen (O2) to form sulphur dioxide.
2. Purifying the sulphur dioxide in a purification unit.
3. Adding an excess of dioxygen to sulphur dioxide in the presence of the catalyst vanadium pentoxide, under temperatures of 450 °C and pressure of 1-2 atm.
4. The sulphur trioxide formed is added to sulphuric acid which gives rise
to oleum (disulphuric acid).
5. The oleum is then added to water to form sulphuric acid which is very concentrated.

 

 

 

Uses of Sulphuric Acid

 

1. Sulphuric acid, because of its wide applications, is referred as the king of chemicals.

2. It is used in the manufacture of:

  • Fertilisers like ammonium sulphate and superphosphate.
  • Dyes, pigments, and paints.
  • Explosives such as TNT.
  • Other important chemicals like hydrochloric acid, nitric acid, phosphoric acid, and sodium carbonate.

3. It is used in the refining of petroleum.

4. As a pickling agent.

5. As a laboratory agent, and a dehydrating and oxidising agent.

 

 

 

ICSE Class 10 Chemistry Chapter 11 Study of Components (Sulphuric Acid) Revision Notes PDF

 

 

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