Chemical Reactions Review

Synthesis, decomposition, and double replacement are all redox reactions.

• True
• False

A metal oxide and water create...?

• Metal hydroxide
• Metal carbonate
• Metal chlorate
• Acid

A metal oxide and carbon dioxide create...?

• Metal hydroxide
• Metal carbonate
• Metal chlorate
• Acid

A metal chlorate decomposes into...?

• Metal oxide and carbon dioxide
• Metal oxide and water
• Metal chloride and oxygen
• Metal oxide and chloride

A nonmetal oxide and water create?

• Nonmetal hydroxide
• Acid
• Acid and water
• Nonmetal with peroxide

A metal can always replace another metal in single replacement reactions because they're both cations.

• True
• False
• Only if the lone metal is more reactive than the metal in the compound.
• Only if the lone metal is less reactive than the metal in the compound.

What is created when an alkali metal replaces hydrogen in water?

• Metal hydroxide and hydrogen
• Metal oxide and hydrogen
• Metal water and hydrogen
• No reaction

What is created when an alkaline earth metal replaces hydrogen in water?

• Metal hydroxide and hydrogen
• Metal oxide and hydrogen
• Metal water and hydrogen
• No reaction

When carbon-hydrogen based substances are completely combusted, the products are always CO₂ and H₂O.

• True
• False

Which element is always a reactant in combustion?

• Carbon
• Hydrogen
• Oxygen
• All of the Above