
Đề Kiểm Tra KHTN2 Lớp 9
Authored by TranPhuongAnh GV_NV
Chemistry
6th - 8th Grade

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36 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rượu etylic phản ứng với dãy chất nào sau đây:
Mn, CO2, CaOH
O2, Na, C3H5OH
O2, Na, CH3COOH
CO2, HCl, AgNO3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất nào sau đây đều là rượu:
H2O, C3H7OH, NaOH
C4H9OH, CH3COOH, C2H5OH
CH3OH, C3H7OH , C2H5OH
CH3OCH3, C2H5OH, CH3COOH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hòa tan 47 ml rượu etylic nguyên chất vào 53 ml nước, dung dịch thu được có độ rượu là:
530
470
250
450
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây có phản ứng este hóa với CH3COOH:
C4H9OH
C4H9COOC2H5
C3H7 COOH
CH3COC4H9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CH3COOH phản ứng với dãy chất nào sau đây, sinh ra chất khí:
Cu, Na2CO3
K, K2SO4
Na, Na2CO3
CO2, H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxi hóa hoàn toàn rượu etylic, thu được 5,4 g nước, thể tích khí oxi đã dùng là:
0,672 lít
22,4 lít
224 lít
6,72 lít
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khí thiên nhiên có thành phần chính là:
Etilen
Metan
Axetilen
Benzen
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