Pra Sumatif Akhir Semester Ganjil Kimia Kelas XI

Quiz
•
Chemistry
•
11th Grade
•
Medium
Uda Azies
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebanyak 20 gram padatan kalsium karbonat bereaksi dengan 7,3 gram larutan asam klorida menurut reaksi: CaCO3 (s) + 2 HCl (aq) → CaCl2 (aq) + H2O (1) + CO2 (g) Jika reaksi diukur dalam kondisi STP, maka volume gas karbon dioksida yang dihasilkan pada akhir reaksi adalah .... ( Mr CaCO3=100, Mr HCl=36,5)
1,12 L
2,24 L
5,60 L
11,2 L
22,4 L
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gas amonia dapat dibuat melalui reaksi: N2(g) + H2(g) → NH3(g) (belum setara). Jika sebanyak 14 gram gas nitrogen direaksikan dengan gas hidrogen, volume gas amonia yang dihasilkan pada keadaan standar (STP) adalah .... (Ar N= 14; H= 1)
6,72 liter
11,2 liter
22,4 liter
44,8 liter
67,2 liter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur 17R dan unsur 19K dapat membentuk senyawa dengan rumus dan jenis ikatan berturut-turut...
R2K, ion
K2R, ion
KR2 , kovalen
RK2, kovalen
KR, ion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan struktur Lewis H3PO4 berikut ini! Pasangan elektron yang terbentuk secara kovalen koordinasi ditunjukkan pada nomor .... (Nomor atom H =1; O = 8; P = 15)
1
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan konfigurasi electron unsur berikut: S ; 1s2 2s2 2p6 3s2 3p4 F : 1s2 2s2 2p5 Atom pusat pada SF4 mengalami hibridisasi…
sp
sp2
sp3
sp3d
sp3d2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan ilustrasi tentang gaya intra dan antar molekul berikut!
Ikatan hidrogen ditunjukkan oleh nomor....
(1)
(2)
(3)
(4)
(5)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada proses endoterm … .
kalor berpindah dari sistem ke lingkungan dan (H<0
kalor berpindah dari sistem ke lingkungan dan (H>0
kalor berpindah dari lingkungan ke sistem dan (H<0
kalor berpindah dari lingkungan ke sistem dan (H>0
tidak terjadi perpindahan kalor dan (H=0
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