Kimia Unsur : Oksigen, Nitrogen, dan Karbon
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Choirotul Chikmiyah
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Gas oksigen yang berada pada lapisan atas atmosfer dan berfungsi untuk melindungi bumi dari bahaya radiasi sinar UV merupakan molekul ....
O2
O3
O4
O5
O8
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Grafit, intan, dan arang amorf merupakan allotropi dari unsur ....
karbon
nitrogen
oksigen
aluminium
kalsium
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oksigen merupakan unsur non logam yang di alam dapat ditemukan dalam wujud ....
padat
cair
gas
amorf
kristal
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Senyawa nitrogen yang menjadi komponen utama penyusun makhluk hidup adalah ....
asam amino
asam nitrat
asam nitrit
nitrogen oksida
ammonia
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diketahui beberapa cara untuk mendapatkan gas oksigen :
1. elektrolisis air
2. destilasi bertingkat udara cair
3. penguraian kalium klorat (KClO3)
4. fotosintesis
5. penguraian katalitik
Oksigen dapat diperoleh secara alami dengan cara ....
(1)
(2)
(3)
(4)
(5)
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rumus kimia untuk ikatan ionik dari potassium dan oksigen adalah ....
KO
K2O
KO2
K2O3
KO3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diketahui beberapa sifat unsur:
(1) gas berwarna yang reaktif
(2) terdapat di alam sebagai gas monoatomik
(3) tidak berbau dan tidak berasa
(4) sukar bereaksi
(5) hanya terdapat di alam sebagai senyawa
yang termasuk sifat gas Nitrogen adalah ....
(1) dan (2)
(1) dan (3)
(2) dan (4)
(3) dan (4)
(4) dan (5)
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