
FORMATIF-1
Authored by Yeyet Budiyati
Chemistry
11th Grade

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan yang benar tentang reaksi irreversible yaitu ...
Reaksinya merupakan reaksi balik
Reaksi irreversible berlangsung terus-menerus
Persamaan reaksinya dituliskan dengan dua anak panah berlawanan arah
Hasil reaksi dapat dikembalikan menjadi zat-zat pemula
Reaksinya berhenti apabila salah satu atau semua reaksi habis
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara persamaan reaksi berikut yang merupakan reaksi bolak-balik (dua arah) yaitu ....
𝐶(𝑠) + 𝐶𝑂2(𝑔) ⇄ 2𝐶𝑂(𝑔)
2𝐻2 (𝑔) + 2𝑁𝑂(𝑔) → 2𝐻2𝑂(𝑔) + 𝑁2(𝑔)
2𝐻2𝑂(𝑔) → 2𝐻2 (𝑔) + 𝑂2 (𝑔)
𝐶𝐻𝐶𝑙3 (𝑔) + 𝐶𝑙2 (𝑔) → 𝐶𝐶𝑙4 (𝑔) + 𝐻𝐶𝑙(𝑔)
2𝑁2𝑂5 (𝑔) → 4𝑁𝑂2 (𝑎𝑞) + 𝑂2(𝑔)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan beberapa persamaan reaksl berikut:
(1) C (s) + H2O (g) ⇄ CO (g) + H2 (g)
(2) 2SO3 (g) ⇄ 2SO2 (g) + O2 (g)
(3) 2NaHCO3 (s) ⇄ Na2CO3 (s) + H2O (l) + CO2 (g)
(4) 2HCl (g) + 12O2 (g) ⇄ H2O(g) + Cl2 (g)
Reaksi heterogen ditunjukkan oleh reaksi nomor…
(1), (2), dan (3)
(1) dan (3)
(2) dan (4)
(4) saja
semua benar
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu reaksi kimia dikatakan mencapai kesetimbangan apabila . . . .
laju reaksi ke kiri sama dengan ke kanan
mol zat sebelum dan sesudah reaksi sama
reaksi tidak berlangsung lagi
jumlah koefisien reaksi ruas kiri sama dengan ruas kanan
massa zat sebelum dan setelah reaksi sama
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara pernyataan berikut yang bukan merupakan ciri-ciri keadaan setimbang dinamis adalah …
reaksi berlangsung dengan dua arah berlawanan
laju reaksi kedua arah sama besar
reaksi berlangsung terus-menerus secara mikroskopis
setiap komponen pada reaksi tetap ada
tidak terjadi perubahan mikroskopis
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