Which set of reactions matches the description?

Ionic compounds dissolved in water (aqueous solutions) switch partners

Which set of reactions matches the description?

One compound breaks into elements or

            smaller compounds

Which set of reactions matches the description?

Two or more elements or compounds combine to form one product

Which set of reactions matches the description?

Part of an ionic compound is removed and replaced by a different element in the reactant

Consider the meaning of the words and what is happening in the reactions to identify which set of reactions that would be a single replacement reaction?

Consider the meaning of the words and what is happening in the reactions to identify which set of reactions that would be a synthesis reaction?

Consider the meaning of the words and what is happening in the reactions to identify which set of reactions that would be a double replacement reaction?

Consider the meaning of the words and what is happening in the reactions to identify which set of reactions that would be a decomposition reaction?

What type of reaction is the following:

1) K₂O  +  H₂O  → 2KOH

What type of reaction is the following:

2) 2MgCl₂(aq)  +  Na₂CO₃(aq)  → 2NaCl(aq)  +  MgCO₃(s)

What type of reaction is the following:

3) 2Al₂O₃ → 4Al  +  3O₂

What type of reaction is the following:

4) Cu(NO₃)₂  + Zn  → Cu  +  Zn(NO₃)₂

What type of reaction is the following:

5) H₂SO₄  +  2NaOH  → Na₂SO₄ +  2H₂O

What type of reaction is the following:

6) CH₄   +  2O₂   → CO₂     +    2H₂O

What type of reaction is the following:

7) 2K  +  2H₂O  → 2KOH  +  H₂

What type of reaction is the following:

8) 2O₂(g)  +  N₂(g)  → N₂O₄(g)

What type of reaction is the following:

9) 2NaF(s)  → 2Na(s)  +  F₂(g)