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Kuiz Kimia

Authored by NUR HUMAIRA BINTI NORAZAHAR .

Science

7th Grade

Used 9+ times

Kuiz Kimia
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apakah formula untuk mengira bilangan mol sesuatu bahan?

Jisim (g) ÷ Isi padu (cm³)

Jisim (g) ÷ Isipadu molar (dm³ mol⁻¹)

Jisim (g) ÷ Jisim molar (g mol⁻¹)

Bilangan zarah ÷ Jisim molar

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Jika jisim 2 mol karbon ialah 24 g, apakah jisim molar karbon?

6 g mol⁻¹

12 g mol⁻¹

24 g mol⁻¹

48 g mol⁻¹

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Berapakah bilangan mol dalam 36 g air (H₂O)? (Jisim molar H₂O = 18 g mol⁻¹)

0.5 mol

1.0 mol

2.0 mol

3.0 mol

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Jika 88 g gas karbon dioksida (CO₂) dikira, berapakah bilangan molnya? (Jisim molar CO₂ = 44 g mol⁻¹)

0.5 mol

1.0 mol

2.0 mol

4.0 mol

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Satu sampel mengandungi 4 mol sulfur (S). Apakah jisim sulfur dalam sampel itu? (Jisim molar S = 32 g mol⁻¹)

8 g

32 g

64 g

128 g

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Seorang pelajar mengira jisim 5 mol oksigen (O₂). Jika jisim molar O₂ ialah 32 g mol⁻¹, apakah jawapan yang betul?

32 g

64 g

96 g

160 g

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika terdapat 3.5 mol natrium klorida (NaCl), berapakah jisimnya? (Jisim molar NaCl = 58.5 g mol⁻¹)

102.4 g

135.0 g

204.8 g

273.5 g

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