Đề cương hóa 11 hk2 Tây Sơn 2022-2023

Đề cương hóa 11 hk2 Tây Sơn 2022-2023

11th Grade

85 Qs

quiz-placeholder

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Đề cương hóa 11 hk2 Tây Sơn 2022-2023

Đề cương hóa 11 hk2 Tây Sơn 2022-2023

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Medium

Created by

Loan Tố

Used 6+ times

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85 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ankan có công thức phân tử chung là

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

chất nào sau đây thuộc dãy đồng đẳng của ankan

C3H6

C2H4

C2H2

C3H8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ankan là hiđrocacbon

no, mạch hở

mạch hở

no,mạch vòng

không no, mạch hở

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Một Ankan có tỉ khối hơi so với Hiđrô bằng 29, ankan đó là

butan

propan

pentan

etan

Answer explanation

dankan/H2 = 29 ⇒ Mankan = 29 × 2 = 58 ⇒ ankan là C4H10.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ứng với công thức C5H12 có bao nhiêu đồng phân mạch cacbon

1

2

3

4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Khí nào sau đây là khí thiên nhiên

axetilen (C2H2)

etan ( C2H6)

metan (CH4)

etilen (C2H4)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chất nào sau đây là chất đầu tiên trong dãy ankan

axetilen

etan

metan

etilen

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