Hóa 8 CK2.2 - 2018 (2)

Hóa 8 CK2.2 - 2018 (2)

9th Grade

10 Qs

quiz-placeholder

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Hóa 8 CK2.2 - 2018 (2)

Hóa 8 CK2.2 - 2018 (2)

Assessment

Quiz

Business

9th Grade

Easy

Created by

Luna Jan

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dãy gồm toàn oxitaxit là

Na2O, CaO

N2O5, K2O

P2O5, Ag2O

SO2, SO3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tên gọi đúng của  Na2O 

Natri (I) oxit

Natri oxit

Đi natri oxit   

Natri (II) oxit

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dãy gồm toàn oxitbazo là

Na2O, CaO  

N2O5, K2O

P2O5, Ag2O

SO2, SO3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trong không khí, thể tích khí nito chiếm :

1%

21%    

78%

90%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tên gọi đúng của  NO2 

Nito (VI) oxit

Nito (II) oxit

Nito đi oxit

Nito tri oxit

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Để điều chế H2 trong phòng thí nghiệm

H2O + Cu

H2SO4 + CuO

H2SO4 + ZnO

HCl +  Fe

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phản ứng phân hủy là  

2KClO3 → 2KCl  +  3O2

CaO  +  H2O → Ca(OH)2

Cu(OH)+2 HCl → CuCl2 +  2H2O

Zn  + 2 HCl → ZnCl2  +  H2

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