KUIZ KIMIA

KUIZ KIMIA

9th Grade

10 Qs

quiz-placeholder

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KUIZ KIMIA

KUIZ KIMIA

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Medium

Created by

Norbaya Mat Sa'ad

Used 700+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Formula am alkohol ialah :

CnH2n + 1OH

CnH2n+1COOH

O

||

R - C - O - R’

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Antara berikut yang manakah formula molekul bagi propanol:

C2H5OH

C3H7OH

C4H9OH

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Penyediaan etanol, C2H5OH di dalam makmal menghasilkan:

etanol dan air

etanol dan karbon dioksida

etanol , karbon dioksida dan air

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3 Antara berikut yang manakah benar tentang sifat-sifat fizik etanol, C2H5OH :

cecair berwarna

lebih tumpat berbanding air

takat lebur; 78 oC pada 1 atm

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Etanol terbakar dengan nyalaan biru dan tanpa menghasilkan jelaga.

Benar

Salah

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Antara persamaan pembakaran berikut yang manakah betul:

2C3H7OH + 9O26CO2 + 8H2O

C4H9OH + 5O24CO2 + 5H2O

C6H13OH + 8O26CO2 + 7H2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pendehidratan etanol menghasilkan:

etana dan air

etena dan air

ester dan air.

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