Kuis 1 Kimia

Quiz
•
Chemistry
•
12th Grade
•
Hard
30 LifeProject
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ion yang paling banyak mempunyai elektron tak berpasangan adalah...
(nomor atom 25)
(nomor atom 26)
(nomor atom 24)
(nomor atom 27)
(nomor atom 28)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di antara molekul berikut ini, manakah yang merupakan contoh molekul dengan ikatan kovalen 100%?..
tidak ada molekul yang 100% ikatan kovalen
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Maka perubahan entalpi untuk proses fermentasi glukosa adalah ...
+60 kJ
-60 kJ
+1440 kJ
-1440 kJ
-2880 kJ
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan reaksi: Berikut ini, manakah pernyataan yang tepat agar supaya reaksi antara molekul NO dan Cl2 dapat berhasil? I . Orientasi yang sesuai (tepat) II. Perbandingan NO/Cl2 adalah 2 : 1 III Energi tumbukan yang cukup.
Hanya I
Hanya I dan II
Hanya I dan III
Hanya II dan III
I, II, dan III
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berdasarkan grafik di atas, persamaan reaksi kesetimbangan yang sesuai adalah ….
2A + C ⇌ B
2C ⇌ A + B
A + B ⇌ C
C ⇌ A + 2B
2A + B ⇌ 2C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Anda mempunyai beberapa larutan yaitu:
I 0,13 m BaCl2
II 0,22 m MnSO4
III 0,24 m ZnSO4
IV 0,42 m etilen glikol
Berikut ini, urutan yang benar berdasarkan berkurangnya titik leleh adalah:...
I > II >III >IV
I > IV >II > III
IV > III > II > I
III > II > IV > I
IV > I > III > II
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mengenai larutan berikut ini,
(i) Kedalam larutan HNO2 (Ka= 4,5x10-4 ), ditambahkan garam NaNO2 padat
(ii) Kedalam larutan NaC2H3O2 (Ka HC2H3O2 = 1,8x10-5 ), dialirkan gas HCl
Setelah penambahan, apakah pH larutan akan bertambah, berkurang atau tetap sama?
(i) berkurang ; (ii) bertambah
(i) bertambah; (ii) bertambah
(i) tetap; (ii) berkurang
(i) bertambah, (ii) berkurang
(i) bertambah, (ii) tetap sama.
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