Quiz 1

Quiz
•
Science
•
10th Grade
•
Medium
Ahmad Mirzaki
Used 6+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 4 pts
Yang termasuk perubahan fisika adalah...
es mencair
kertas dibakar
nasi menjadi basi
singkong di fermentasi jadi tape
Answer explanation
Es mencair berarti mengalami kenaikan suhu. akan membeku kembali jika diturunkan kembali suhunya. Perubahan fisika ditandai dengan tidak berubahnya komposisi suatu zat.
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
yang termasuk perubahan kimia adalah...
besi dibengkokkan
penggilingan biji kopi menjadi serbuk kopi
garam dilarutkan dengan air
besi berkarat
Answer explanation
besi berkarat merupakan perubahan kimia, karena terjadi perubahan komposisi besi dari Fe menjadi Fe2O3 dengan reaksi
2Fe + 3O2 --> 2Fe2O3
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
salah satu proses pembuatan santan kelapa yaitu parutan kelapa diberi air, dan disaring. proses penyaringan ini adalah salah satu proses pemisahan campuran yang disebut...
dekantasi
isolasi
kristalisasi
filtrasi
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
melarutkan serbuk teh celup dengan air panas, termasuk proses pemisahan secara...
dekantasi
kromatografi
filtrasi
ekstraksi
Answer explanation
ekstraksi adalah metode pemisahan berdasarkan perbedaan kelarutan. air panas berfungsi untuk melarutkan sari teh yang berada di serbuk teh, untuk terbawa pada air, sehingga teh tersebut bisa diminum.
5.
MULTIPLE CHOICE QUESTION
20 sec • 4 pts
unsur magnesium memiliki lambang...
M
Ma
Mg
Mn
6.
MULTIPLE CHOICE QUESTION
20 sec • 4 pts
nama senyawa dari NaOH adalah...
Natrium hidrogen
Natrium oksida
Natrium hidroksida
Natrium oksihidrida
7.
MULTIPLE CHOICE QUESTION
10 sec • 4 pts
satuan dari massa molekul relatif adalah...
gram/mol
gram
mol
liter
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