Beaker

氧化鈣+水產物(單選)

• Ca(OH)2

• CaCO3

• CaH2

• H2

Answer explanation

CaO+H₂O   → Ca(OH)₂

硫和氧燃燒產物(可用電爐)

• S2O3

• SO2

• H2S

• SO

Answer explanation

S+O₂   → SO₂

鋅和硫酸 反應產物(複選題)

• H₂

• SO₂

• ZnSO₄

• ZnS

Answer explanation

Zn+H₂SO₄  → ZnSO₄+H₂↑

鈉加水產物(複選)

• O₂

• NaOH

• Na₂O

• H₂

Answer explanation

2Na+2H₂O  → 2NaOH+H₂↑

以下何者是碳酸氫鈉加熱的產物(複選題)

• CO2

• H2O

• Na2CO3

• O2

Answer explanation

2NaHCO₃  →  CO₂↑+H₂O+Na₂CO₃

加水碳化鈣加水產物(複選)

• C₄H₂

• Ca(OH)₂

• C₂H₂

• CaH₂

Answer explanation

CaC₂ + 2H₂O →

Ca(OH)₂ + C₂H₂

銅加硝酸產物(複選)

• CuO

• NO₂

• H₂O

• Cu(NO₃)₂

Answer explanation

Cu+4HNO₃  → Cu(NO₃)₂+2H₂O+2NO₂