| Question 1: First effective filtering activated charcoal ________: Nikolay Zelinsky | |||
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| Question 2: Russian inventions are concrete objects and technologies invented by citizens of ________ (both as an independent state and within the USSR). | |||
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Question 3: Who designed Tetris?
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Question 4: Which of the following genres does RAR produce?
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Question 5: Where is Tsar Bomba?
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| Question 6: Sukhoi Su-27: ________ | |||
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