Decomposition Reactions

metal hydroxide (+ heat) → ____________ + _________

• metal carbonate + water

• metal oxide + carbon dioxide

• carbon dioxide + water

• metal oxide + water

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

______________ (+ heat) → zinc oxide + carbon dioxide

• zinc carbonate

• zinc oxide

• zinc dioxide

• zinc hydrogen carbonate

Tags

NGSS.MS-PS1-1

Why does thermal decomposition need heat energy

• to make magic

• to break bonds

• to make water

• to work as a catalyst

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is decomposition?

• putting substances together

• breaking substances apart

• element replacing another element in a compoud

• burning of a subtance

Tags

NGSS.MS-PS1-5

Predict the products for the decomposition of aluminum oxide, Al₂O₃ →

• Al + O₂

• O + Al₂

• Al₂ + O₃

• Al + O

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Products of a decomposition reactions are always individual elements.

• False

• True

One reactant into several products.

• Decomposition

• Synthesis

• Combustion

• Single Replacement

The following reaction is an example of what reaction type?

CaCO₃ → CaO + CO₂

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

Which chemical reaction breaks down into 2 substances?

• Double displacement

• Single displacement

• Synthesis

• Decomposition

Which of the following is a decomposition reaction?

• @@ ext{2H}_2 ext{O} ightarrow ext{2H}_2 + ext{O}_2@@

• @@ ext{C} + ext{O}_2 ightarrow ext{CO}_2@@

• @@ ext{N}_2 + 3 ext{H}_2 ightarrow 2 ext{NH}_3@@

• @@ ext{Na} + ext{Cl}_2 ightarrow ext{NaCl}@@