abcxyz
6th - 8th Grade
•28 Qs
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abcxyz
Quiz
•
Chemistry
•
6th - 8th Grade
•
Practice Problem
•
Easy
Khánh Minh
Used 2+ times
FREE Resource
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28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Fe + S -->
FeS2
FeS
Fe2S
Fe2S3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
KL + Axit mạnh -->
Muối + H2O
Axit mới + KL mới
Muối + H2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
KL nào ko pứ với O2 đkt
Hg,al,au,pt
li,k,na,b,ca
cu,fe,al,au
ag,au,pt
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
KL nào pứ với N đkt
Na
K
Li
Hg
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
KL + Axit có tính oxh mạnh -->
bị đẩy xuống soxh thấp nhất
bị đẩy lên soxh cao nhất
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
KL nào không bị oxh bởi axit tính oxh mạnh
ba,ca
fe,al
zn,mg
au,pt
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Al,fe,cr thụ động không pứ với axit nào
H2SO4 ĐẶC NGUỘI
HNO3
H2SO4 LOÃNG
HNO3 ĐN
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