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  1. Answer the following questions:

  1. Why did chemists prefer to direct the investigations toward inorganic materials?

  2. When did organic chemistry receive a boost?

  3. What did Michel Chevreul begin to study around 1816?

  4. What event has been considered to be the turning point in organic chemistry?

  5. How was the organic dye, now called the Perkin’s mauve manufactured?

  6. What did it result in?

  7. When were the insecticide properties of DDT discovered?

  8. What was the crucial breakthrough for the theory of organic chemistry?

  9. What can you say about a carbon lattice?

  10. What are the products of petrochemical industry?

  11. What did Paul Ehrlich and his group do?

  12. What does biochemistry study?

  1. Translate the following sentences into Russian.

1) Когда были получены некоторые составляющие и соединения живой материи из неорганических веществ, такие как щелочь и цианат аммония, теория о невозможности искусственного синтеза была разрушена. 2) Развитие органической химии получило толчок, когда лабораторным способом открыли некоторые свойства органических веществ. 3) Мишель Шеврёль получил мыло путем искусственного синтеза кислоты и щелочи. 4) Синтезом Велера было названо получение органической химической мочевины. 5) Анилиновый краситель Перкина был синтезирован им случайно, когда он пытался получить хинин. 6) Нефтехимическая промышленность занимается преобразованием различных углеродсодержащих соединений для получения искусственных резин, органических связывающих веществ, различных присадок, пластиков.

  1. The most important types of industrial production involving the processing and preparation of organic substances are the following:

  1. Basic organic synthesis.

  2. Processing of Combustible minerals.

  3. Production of Polymer materials.

  4. Processing of Farm Produce and the Food Industry.

  5. Chemical Processing of Wood.

  6. Refined organic synthesis.

Read the following paragraphs quickly to decide which paragraph goes with which type of production.

      1. This embraces primarily the chemical processing of petroleum, natural gas and coal. The products are various grades of liquid fuel, lubricants and other materials, including some that are used for organic synthesis.

      2. This consists chiefly of the production of plastics, rubbers, and chemical (artificial and synthetic) fibres.

      3. This is the industry that provides the national economy with high tonnage products that are used directly as solvents (растворители), crop protection chemicals, detergents, refrigerants, dyes, medicines, etc.

Its products are substances of relatively simple composition and structure. They are the halogen derivatives of hydrocarbons, methyl, ethyl and other alcohols, phenol, formaldehyde and acetaldehyde, acetic acid and the higher acids, ethers and esters, nitro compounds, amines, and certain other substances.