Chemistry test

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Uploaded: 02.10.2015
Content: 170 исправлено.doc (90,5 kB)

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ollection of tasks on discipline
"Chemistry" Part 3


Exercise 1
Choose the correct answer to the question, and note the card answers, after studying the manual.
Question 1. What is called recovery?
1. The reaction of hydrogen with some element;
2. The process of return of electronic elements;
3. The process of making electronic components;
4. The process of adoption and the impact of the electrons;

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