
trial un kimia 2
Authored by Deby Trifena
Chemistry
12th Grade
Used 11+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dasar teknik pemisahan destilasi pada fraksi-fraksi minyak bumi adalah perbedaan ...
kelarutan
titik didih
ukuran partikel
kecepatan rambat dalam pelarut
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom adalah bagian terkecil dari setiap materi dan bersifat khas. Reaksi kimia adalah penyusunan ulang atom-atom sehingga menghasilkan senyawa dengan sifat baru. Pernyataan tersebut sesuai dengan teori atom ...
Dalton
Thomson
Rutherford
Niels Bohr
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bentuk geometri molekul air adalah ...
linear
tetrahedral
bengkok
huruf V
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Menurut hukum Proust, nilai x adalah ...
5,5
4,5
4,0
3,5
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui suatu reaksi kimia:
CaO(s) + HNO3(aq) --> Ca(NO3)2(aq) + H2O(l)
Jika 2,8 gram CaO direaksikan hingga habis, maka dibutuhkan HNO3 0,2M sebanyak ... mL
150
250
450
500
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Yang berperan sebagai reduktor pada reaksi berikut ini adalah ...
N2(g) + H2(g) <--> 2NH3(g)
N2
H2
NH3
Tidak ada
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 1 mL asam cuka kemasan (massa jenis=1,2g/mL; Mr=60) diencerkan hingga volumenya 100 mL. 50 mL larutan kemudian dititrasi dengan NaOH 0,2M. Titik ekivalen diperoleh saat NaOH yang terpakai 25 mL. Kadar asam cuka dalam kemasan adalah ...
12,5%
25,0%
50,0%
75,0%
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