
on tap dau nam
Authored by nguyễn phương
Chemistry
1st - 5th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 1: Trong các chất sau, chất nào là ancol?
CH3OCH3
HCHO
C2H5OH
C6H5OH
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
: Các trường hợp bị ngộ độc rượu là do uống rượu có chứa metanol, công thức của metanol là?
HCHO
CH3OH
CH3CHO
C2H5OH
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Để phân biệt ancol etylic và glixerol ta dùng hóa chất:
Na
NaOH
Cu(OH)2
Quỳ tím
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một ancol no, đơn chức có tỉ khối hơi đối với khí hiđro là 30. CTPT của ancol là
C2H6O
C4H10O
C3H6O
C3H8O
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong các chất sau, chất nào là andehit?
CH3OH
HCHO
CH3OCH3
C6H5OH
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Để phân biệt C6H5-OH với C6H5-CH2OH . Thuốc thử cần dùng là
A. NaOH B. HBr C. Na D. nước brom
NaOH
HBr
Na
nước brom
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên thay thế của chất có CTCT CH3CH2CH(OH)CH3 là:
Butan - 1 - ol
But - 2 - ol
2 - metyl propan - 1 - ol
Butan – 2 – ol
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