
Persamaan kimia
Authored by Cikgu Zulfikri Mohamed
Chemistry
4th Grade
Used 107+ times

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10 questions
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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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