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Classifying Chemical Reactions

Last updated almost 5 years ago
15 questions

Classifying Chemical Reactions


Choose the correct type of reaction(s)
1

What type of reaction is this and how do you know?

CaCO3 → CaO + CO2

1

2H2 + O2 → 2H2O

1

2K + 2H2O → H2 + 2KOH

1

CaCO3 + 2HCl → CaCl2 + H2CO3

1

2KClO3 → 2KCl + 3O2

1

Ca + 2HCl → CaCl2 + H2

1

2SO2 + O2 → 2SO3

1

Pb(NO3 )2 + 2HCl → PbCl2 + 2NHO3

1

What type of reaction is this and how do you know?

Cu + 2AgNO3 → 2Ag + Cu(NO3 )2

1

2Na + Cl2 → 2NaCl

1

CH4 + 2O2 → CO2 + 2H2O

1

Pb(NO3 )2 + 2KI → PbI2 + 2KNO3

1

2Fe + O2 → 2FeO

1

Zn + 2HCl → H2 + ZnCl2

1

What type of reaction(s) are used above? How do you know?