khí X là khí nào trong các khí sau đây?

HOÁ CUỐI 2 LINK 1

Quiz
•
Fun
•
9th - 12th Grade
•
Easy
Andy Kien
Used 1+ times
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2
C2H2
. CH4
. C3H8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức tổng quát của ankan là
. CnH2n-2 (n≥1)
CnH2n (n≥2)
CnH2n+2 (n≥1)
CnHm (m≥1)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở trạng thái khí ankan có:
1 ≤ C ≤ 3
1 ≤ C ≤ 6
2 ≤ C ≤ 4
1 ≤ C ≤ 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metan thuộc loại hợp chất nào dưới đây?
Anken
Ankadien
Ankin
Ankan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong những chất sau, chất nào là đồng đẳng của axetilen?
CH≡C-C≡CH
CH3-CH2-CH3
CH3-C≡CH
CH2=CH2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi đốt cháy ankin ta thu được:
nCO2 < nH2O
nCO2 = nH2O
nCO2 > nH2O
. nCO2 ≤ nH2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các chất thuộc đồng đẳng ankin là:
C2H6, C3H8, C5H10, C6H12
C2H2, C3H4, C4H6, C5H8
CH4, C2H6, C4H10, C5H12
C2H4, C3H6, C4H8, C5H10
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