KEPEKATAN LARUTAN AKUEUS
Quiz
•
Chemistry
•
8th - 10th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Kemolaran larutan natrium hidroksida ialah 0.5 mol dm-3.
Apakah kepekatan larutan itu dalam g dm-3 ?
[JAR: H= 1, O= 16, Na= 23]
20
40
80
120
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Larutan adalah campuran hamogen yang terbentuk apabila bahan larut dilarutkan dalam pelarut.
BETUL
SALAH
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kepekatan sesuatu larutan ialah kuantiti zat terlarut dalam 1 cm3 larutan yang terbentuk.
BETUL
SALAH
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Kenalpasti unit yang digunakan untuk ukuran kepekatan larutan akueus
g dm-3
M
mol cm-3
mol dm-3
g cm-3
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Mengapakah larutan hidrogen klorida dalam metil benzena tidak menunjukkan sifat asid?
Hidrogen klorida meruoakan sebatian kovalen
Darjah pengionan hidrogen klorida dalam larutan rendah
Tiada ion hidrogen yang bebas dalam larutan
Larutan hidrogen klorida tidak mengkonduksikan elektrik
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Antara pernyataan yang berikut, yang manakah benar tentang asid?
Menukarkan kertas litmus merah ke biru
Bertindak balas dengan logam kuprum menghasilkan gas hidrogen
Bertindak balas dengan kalsium karbonat membebaskan gas karbon dioksida
Bertindak balas dengan alkali untuk menghasilkan oksigen
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
14.9 g kalium klorida, KCl dilarutan dalam air suling untuk menghasilkan 0.4 mol dm-3 larutan kalium klorida. Berapakah isi padu air suling yang diperlukan untuk melarutkan kalium klorida?
Jisim molar KCl = 74.5 g mol-1]
50 cm3
200 cm3
500 cm3
2000 cm3
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