Question

Вставить предлоги где они необходимы. 1. He was born ….. Rīga, Latvia, and educated ….. the University of Dorpat. 2. Ostwald is especially known ….. his contributions ….. the field ….. electrochemistry. 3. ….. 1900 he discovered a method ….. preparing nitric acid ….. oxidizing ammonia. 4. The Ostwald process was used ….. Germany ….. World War I ….. manufacturing explosives. 5. Deuterium has become important as a chemical tracer, ….. thermonuclear weapons, and ….. fusion power research.

Answer 1

1. He was born …in.. Rīga, Latvia, and educated …at.. the University of Dorpat.2. Ostwald is especially known …for.. his contributions …to.. the field …of..electrochemistry.3. …In.. 1900 he discovered a method …of.. preparing nitric acid …for.. oxidizing ammonia.4. The Ostwald process was used …in.. Germany …during.. World War I …for..manufacturing explosives.5. Deuterium has become important as a chemical tracer, …for.. thermonuclear weapons, and …in.. fusion power research.

Answer 2

1. He was born in Rīga, Latvia, and educated at the University of Dorpat.

2. Ostwald is especially known for his contributions to the field of electrochemistry.

3. In 1900, he discovered a method for preparing nitric acid by oxidizing ammonia.

4. The Ostwald process was used in Germany during World War I for manufacturing explosives.

5. Deuterium has become important as a chemical tracer in thermonuclear weapons and fusion power research.