What is made when an acid and base react?

• Carbon dioxide and a salt.

• Salt and hydrogen.

• Salt and water.

• Oxygen and salt.

Tags

NGSS.MS-PS1-2

Copper(II) carbonate breaks down to form carbon dioxide and copper(II) oxide when heated. This is an example of a:

• decomposition reaction.

• synthesis reaction.

• precipitation reaction.

• acid-carbonate reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Pb(NO₃)₂ →PbO + NO₂ + O₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In the equation,          2Mg + O₂ ---> 2MgO, which are the reactants?

• Mg and O
• MgO
• Mg and MgO
• O and MgO

Tags

NGSS.MS-PS1-2

What reaction has the following general formula:

AB --> A + B

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Tags

NGSS.MS-PS1-2

What reaction has the following general formula:

A + B --> AB

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Tags

NGSS.MS-PS1-2

Which reaction is a combustion reaction?

• 2Mg + O₂ --> 2MgO

• Mg + 2HCl --> MgCl₂ + H₂

• MgCO₃ + 2HCl --> MgCl₂ + CO₂ + H₂O

• CH₄ + 2O₂ --> CO₂ + 2H₂O

Tags

NGSS.HS-PS1-4

Which of these general word equations describes an acid-metal reaction?

• Metal + Oxygen --> Metal oxide

• Metal + Acid --> Salt + Hydrogen gas

• Metal carbonate + Acid --> Salt + Carbon dioxide + Water

Tags

NGSS.MS-PS1-2