
SOAL KIMIA UNSUR_ZULKANDRI
Authored by Zul Kandri
Chemistry
12th Grade
Used 3+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada elektrolisis larutan garam logam alkali atau alkali tanah tidak dihasilkan logamnya karena
sifat oksidatornya lemah
sifat reduktornya lemah
garam halidanya mempunyai titik leleh tinggi
energi ionisasi tinggi dari logam lain
ion logamnya tidak mengalami reduksi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Logam alkali tanah jika beraksi dengan air menghasilkan gas H2 kecuali ….
Ca
Be
Sr
Ba
Mg
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada natrium jika diberi oksigen berlebihan maka senyawa yang dihasilkan adalah….
NaO
Na2O2
Na2O
NaO2
2Na2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektrolisis garam-garam alkali berikut yang dapat menghasilkan logam alkali adalah….
larutan KI dengan elektroda C
larutan KI dengan elektroda Fe
larutan Na2SO4 elektroda C
lelehan NaCl electrode C
larutan NaI electrode C
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur logam alkali yang memberikan warna nyala berwarna merah adalah….
Natrium
Litium
Kalium
Sesium
Barium
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Unsur gas mulia yang bersifat radioaktif adalah. . .
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