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Kuis Perhitungan Dasar Kimia XI

Authored by Keke Priatna

Chemistry

10th Grade

Kuis Perhitungan Dasar Kimia XI
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Pada 200 g senyawa CaCO3 ( Ar Ca = 40, C = 12, dan O = 16). Massa Ca dalam CaCO3 adalah….

24 g

80 g

96 g

100 g

200 g

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Pada 200 g senyawa CaCO3 ( Ar Ca = 40, C = 12, dan O = 16). Massa C dalam CaCO3 adalah….

24 g

80 g

96 g

100 g

200 g

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Pada 200 g senyawa CaCO3 ( Ar Ca = 40, C = 12, dan O = 16). Massa O dalam CaCO3 adalah….

24 g

80 g

96 g

100 g

200 g

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Mr CaCO3 ( Ar Ca = 40, C = 12, dan O = 16) adalah…

100

110

150

180

200

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Massa zat sebelum dan sesudah reaksi kimia selalu tetap” merupakan bunyi dari….

Hukum Perbandingan Tetap

Hukum Kekekalan Massa

Hukum Perbandingan Berganda

Hukum Perbandingan Volume

Hukum Avogadro

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

% unsur N dalam CO(NH2)2 dengan (Ar C = 12, O = 16, N = 14, dan H = 1) adalah….

46,0 %

46, 5 %

46, 7 %

47,0 %

47,6 %

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Kadar karbon dalam vitamin C adalah 41%. Jumlah atom karbon yang terdapat dalam vitamin C (jika diketahui Mr senyawa tersebut adalah 176 dan Ar C = 12) adalah….

4

5

6

7

8

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