Chemical Reactions: Types and Balancing

Front

What is the Law of Conservation of Mass?

Back

It states that no matter can be created or destroyed.

Front

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

Back

the mass is the same

Front

A + B → AB : is the general form for which reaction type?

Back

Synthesis

Front

Which of the following is an example of synthesis? 2Na + Br₂ --> 2NaBr, 2KClO₃ --> 2KCl + 3O₂, 2HgO + Cl₂-->2HgCl + O₂, Cl₂ + 2NaBr --> 2NaCl + Br₂

Back

2Na + Br₂ --> 2NaBr

Front

Identify the type of reaction:  
Ca + O --> CaO

Back

Synthesis

Front

Identify this type of reaction,
Cl₂ + 2KI _-->  I₂ + 2KCl

Back

Single Replacement

Front

Which chemical reaction forms Carbon Dioxide and Water? Options: Double Replacement, Single Replacement, Combustion, Decomposition

Back

Combustion

Front

Which chemical reaction breaks down into 2 substances? Options: Double Replacement, Single Replacement, Synthesis, Decomposition

Back

Decomposition

Front

Which reaction type is the following: 2AgF + CaCl₂ --> 2AgCl + CaF₂?

Back

Double Replacement

Front

Which reaction type is the following:  2Na + CaF₂ --> Ca + 2NaF? Options: Decomposition, Single Replacement, Synthesis, Double Replacement

Back

Single Replacement