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КОНТРОЛЬНАЯ РАБОТА №1 8 класс

Authored by Людмила Ряснова

Chemistry

8th Grade

Used 11+ times

КОНТРОЛЬНАЯ РАБОТА №1 8 класс
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22 questions

Show all answers

1.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Определите ТИП реакции

Rh2O3 + 3H2 = 2Rh + 3H2O

(соедин. - с, разлож. - р, замещ. - з, обмена - о)

(a)  

2.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Определите ТИП реакции

H2 + Br2 =2HBr

(соедин. - с, разлож. - р, замещ. - з, обмена - о)

(a)  

3.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Рассчитайте Mr (CaCl2)

(a)  

4.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Рассчитайте Mr (Zn (OH)2)

(a)  

5.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Рассчитайте Mr (NaI)

(a)  

6.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Рассчитайте Mr (Al2S3)

(a)  

7.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Рассчитайте Mr (Fe2(SO4)3)

(a)  

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