TERENGGANU PERCUBAAN 2020
Quiz
•
Chemistry
•
5th Grade
•
Medium
MARIANA Moe
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29 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Antara pasangan berikut, manakah padanan yang betul?
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rajah 1 menunjukkan terapi Gamma Knife. Sinar gamma yang digunakan untuk membunuh sel kanser dihasilkan oleh suatu isotop.
Apakah nama isotop tersebut?
Iodin-131
Cobalt - 60
Natrium - 24
Karbon -14
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Kalium dikromat(VI) biasanya digunakan sebagai agen pengoksidaan untuk eksperimen di makmal. Apakah formula kimia bagi kalium dikromat(VI) ?
K2CrO2
K2CrO4
K2Cr2O4
K2Cr2O7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pernyataan berikut merujuk kepada penemuan saintis dalam perkembangan Jadual Berkala Unsur.
- Mengkaji spektrum sinar-X unsur-unsur
- Menyusun unsur-unsur dalam Jadual Berkala Unsur mengikut pertambahan nombor proton.
Lothar Meyer
John Newlands
Henry J.G. Moseley
Dmitri Mendeleev
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rajah 2 menunjukkan suatu sebatian. Berapakah pasangan elektron yang dikongsi oleh atom-atom dalam sebatian ini?
6
7
12
14
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Antara pelarut-pelarut berikut, yang manakah boleh melarutkan kalium oksida?
Eter
Propanon
Air
Benzena
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Antara berikut, yang manakah merupakan elektrolit?
Asid nitrik cair
Larutan sukrosa
Leburan asetamida
Leburan kuprum
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