Persamaan kimia

Persamaan kimia

4th Grade

10 Qs

quiz-placeholder

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Persamaan kimia

Persamaan kimia

Assessment

Quiz

Chemistry

4th Grade

Practice Problem

Medium

Created by

Cikgu Zulfikri Mohamed

Used 106+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Manakah persamaan kimia yg seimbang bagi


N2 + H2 --> NH3

N + H3 --> NH3

N2 + H2 --> N2H2

3N2 + H2 --> 2NH3

N2 + 3H2 --> 2NH3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Manakah persamaan kimia yg seimbang?

Zn + HCl --> ZnCl2 + H2

Mg + 2HCl --> MgCl2 + H2

2Ba + HCl --> BaCl2 + H2

2Fe + 2HCl --> 2FeCl2 + H2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Natrium bertindak balas dengan gas klorin menghasilkan natrium klorida.


Manakah persamaan kimia yang benar?

N + Cl --> NCl

2Na + Cl2 --> 2NaCl

Na + C2 --> NaC2

Na + Cl2 --> NaCl2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2Mg + O2 --> 2MgO


Apakah bahan tindak balas bagi persamaan di atas?

Magnesium

Magnesium oksida

Oksigen

Magnesium dan gas oksigen

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

NaOH + HCl ---> NaCl + H2O


Apakah hasil tindak balas bagi tindak balas di atas?

Natrium hidroksida dan asid hidroklorik

Natrium hidriksida dan Natrium klorida

Natrium klorida dan air

Natrium hidroksida dan air

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Zn (p) + 2HCl (ak) --> ZnCl2 (ak) + H2(g)

Manakah yg benar tentang analisis kuantitatif bagi persamaan di atas?

1 mol Zink bertindak balas dengan 2 mol asid hidroklorik menghasilkan 1 mol zink klorida dan 1 mol gas hidrogen.

1 mol zink klorida bertindak balas dengan 1 mol gas hidrogen menghasilkan 1 mol zink dan 2 mol asid hidroklorik.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Manakah benar tentang analisis kualitatif bagi persamaan di bawah.


CuO + H2 --> Cu + H2O

Unsur yang terlibat ialah karbon , oksigen dan hidrogen

Unsur yang terlibat ialah kuprum, gas hidrogen dan air

Bahan tindak balas ialah karbon dioksida dan gas hidrogen

Hasil tindak balas ialah logam kuprum dan air

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