КОНТРОЛЬНАЯ РАБОТА №1 8 класс
Quiz
•
Chemistry
•
8th Grade
•
Hard
Людмила Ряснова
Used 11+ times
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22 questions
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1.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Определите ТИП реакции
Rh2O3 + 3H2 = 2Rh + 3H2O
(соедин. - с, разлож. - р, замещ. - з, обмена - о)
2.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Определите ТИП реакции
H2 + Br2 =2HBr
(соедин. - с, разлож. - р, замещ. - з, обмена - о)
3.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Рассчитайте Mr (CaCl2)
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Рассчитайте Mr (Zn (OH)2)
5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Рассчитайте Mr (NaI)
6.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Рассчитайте Mr (Al2S3)
7.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Рассчитайте Mr (Fe2(SO4)3)
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