Page 124 - Chemistry_Form_2

Chemistry
for Secondary Schools

Acids Uses
Sulfuric acid (a) Removal of rust from iron and steel in industries

(b) Manufacture of synthetic textiles such as nylon
(c) Manufacture of fertilisers
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(d) Used as electrolyte in batteries

(e) Production of sulfates
Nitric acid (a) Production of nitrogen containing fertilisers, explosives,
and rocket propellants

(b) Manufacture of nylon
(c) Used in testing the purity of precious stones

(d) Used as an oxidising agent
(e) Metal cleaning
(f) Synthesis of dyes

Tartaric acid (a) Manufacturing of soft drinks
(b) Provides tartness (sourness) to food
(c) Used as an emetic (a substance that induces vomiting)

Carbonic acid (a) To make bubbly drinks like soft drinks and sparkling wine
(b) Used in pharmaceuticals, cosmetics, fertilisers, and food
processing

Ethanoic acid (a) A main ingredient of vinegar
(b) Making dyes and paints
(c) Degreasing solvent and cleaning agent

Phosphoric acid (a) Rust proofing
(b) Used as a catalyst
(c) Used as an ingredient in softening drinks and dental cements
(d) Manufacturing of phosphates for softening water
(e) Manufacturing of detergents and fertilisers
(f) Used as a food additive lending acidic properties to soft
drinks and other prepared foods
Benzoic acid (a) Used to preserve food
(b) Manufacture of a variety of products such as perfumes,
dyes, medicines, and insect repellents

Student’s Book Form Two 117

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CHEMISTRY FORM TWO NEW 2025 DUMMY.indd 117