Introduction:
Chemicals are used in various industries for different purposes such as manufacturing, processing, and preservation. The chemical industry is one of the largest industries in the world, and it provides a wide range of chemicals that are used in different sectors.

Largest consumer of chemicals:
The chemical industry is the largest consumer of chemicals. This is because the chemical industry uses chemicals as raw materials to produce various products. The chemicals that are used in the chemical industry are also used in other industries, but the chemical industry consumes the highest quantity of these chemicals.

Other industries that consume chemicals:
Other industries that consume chemicals include:

- Fertilisers: Fertilisers are used in agriculture to enhance the growth of crops. Fertilisers are made up of chemicals such as nitrogen, phosphorus, and potassium.

- Textiles: Chemicals are used in the textile industry to dye and print fabrics. Chemicals are also used to make synthetic fibers such as polyester.

- Paper: Chemicals are used in the paper industry to bleach and process pulp. Chemicals are also used to make paper coatings and adhesives.

Conclusion:
In conclusion, the chemical industry is the largest consumer of chemicals as it uses chemicals as raw materials to produce various products. Although other industries such as fertilisers, textiles, and paper also consume chemicals, the chemical industry consumes the highest quantity of these chemicals.