
Химиялық реакция теңдеулерін теңестіру
Authored by AruzhanQueen kz
Chemistry
9th Grade

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40 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Электронды баланс әдісін қолданып, реакция теңдеуін теңестіріңіздер.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
1. Cl2 + NH3 → N2↑ + NH4CІ
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
2. HCl +KMnO4 → Cl2↑+ KCI + MnCl2 + H₂O
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
3. Cl2O6 + KOH → KCIO3 + KCIO4 + H2O
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
4. Cu₂S + O₂ + CaCO3 → CuO + CaSO4 + CO2
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
5. H2SO4(конц.) + Fe → Fe2(SO4)3 + SO2 + H2О; б) H2SO4(сұйт.) + Fe → FeSO4 + H2↑
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
6. FeSO4+ KMnO4+H2SO → Fe2(SO4)3 + MnSO4 + H2O + K2SO4
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