Golongan Logam Alkali Tanah - Kelompok 4

Quiz
•
Chemistry
•
12th Grade
•
Hard
Zahra Vindy
Used 9+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Senyawa yang digunakan untuk memberikan warna hijau pada kembang api adalah...
Ba(NO₃)₂
Sr(NO₃)₂
Mg(OH)₂
CaSO₄
CaCO₃
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Senyawa yang digunakan dalam pasta gigi untuk mengurangi asam yang terdapat di mulut dan mencagah terjadinya kerusakan gigi, sekaligus sebagai pencegah maag adalah...
CaSO₄
Mg(OH)₂
CaCO₃
Ca(OH)₂
BaSO₄
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Unsur dibawah ini yang paling elektropositif adalah…
Barium
Magnesium
Kalsium
Stronsium
Berilium
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Urutan unsur-unsur logam alkali tanah berdasarkan sifat pereduksi, dari pereduksi lemah ke pereduksi kuat adalah…
Ca, Mg, Ba, Sr
Ca, Ba, Mg, Sr
Mg, Ca, Sr, Ba
Ca, Mg, Sr, Ba
Mg, Ca, Ba, Sr
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pernyataan yang tepat tentang cara memperoleh logam alkali adalah…
reduksi garam kloridanya
oksidasi garam kloridanya
elektrolisis leburan garam kloridanya
elektrolisis larutan garam kloridanya
hidrolisis larutan garam kloridanya
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pada elektrolisis larutan garam logam alkali tidak dihasilkan logamnya karena…
sifat oksidatornya lemah
sifat reduktornya lemah
garam halidanya mempunyai titik leleh tinggi
energi ionisasinya tinggi dari logam lain
ion logamnya tidak mengalami reduksi
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Berikut ini beberapa senyawa yang mengandung logam alkali tanah.
1) Kapur sirih
2) Garam inggris
3) Batu karbit
4) Kapur tohor
5) Batu kapur
Berdasarkan senyawa tersebut di atas, yang digunakan untuk kapur tulis adalah senyawa nomor …
1
2
3
4
5
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