Persamaan berikut mewakili satu tindak balas
Cu(OH)2 (p) + 2HNO3 (ak) → Cu(NO3)2 (ak) + 2H20 (ce)
Apakah bahan-bahan tindak balas dalam persamaan ini?
KUIZ KIMIA 1
Quiz
•
Chemistry
•
7th Grade
•
Hard
SITI Moe
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan berikut mewakili satu tindak balas
Cu(OH)2 (p) + 2HNO3 (ak) → Cu(NO3)2 (ak) + 2H20 (ce)
Apakah bahan-bahan tindak balas dalam persamaan ini?
Kuprum(II) nitrat dan air
Kuprum(II) nitrat dan asid nitrik
Kuprum(II) hidroksida dan asid nitrik
Kuprum(II) hidroksida dan kuprum(II) nitrat
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pernyataan berikut merujuk kepada sumbangan seorang ahli sains dalam membangunkan Jadual Berkala.
•Memplot graf isi padu atom melawan jisim atom bagi unsur-unsur
•Berjaya menunjukkan bahawa sifat-sifat unsur membentuk pola berkala dengan jisim atom unsur itu
Siapakah ahli sains itu?
Lothar Meyer
Henry Moseley
John Newlands
Dmitri Mendeleev
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bahan manakah yang merupakan suatu unsur?
Air
Stim
Karbon
Naftalena
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nyatakan ahli Sains yang telah membuat penemuan mengelaskan unsur kepada empat kumpulan mengikut sifat kimia iaitu kumpulan gas, bukan logam, logam dan oksida logam.
Johann Dubereiner
Antoine Lavoisier
John Newlands
Dmitri Mendeleev
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Siapakah ahli Sains yang mencadangkan Hukum Oktaf?
Henry J. G. Moseley
John Newlands
Johann Dubereiner
Antoine Lavoisier
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Siapakah ahli Sains yang membina triad kumpulan yang terdiri daripada tiga unsur dengan sifat kimia yang serupa
Antoine Lavoisier
Johann Dubereiner
John Newlands
Johann W. Dobereiner
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rajah menunjukkan satu mentol berisi gas Y. Berapakah bilangan atom bagi gas Y?
[isi padu molar gas pada suhu bilik : 24dm3mol-1]
0.5 x NA
1.0 x NA
1.2 x NA
2.0 x NA
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