Chapter 8 Practice

What is a solid that forms during a chemical reaction in a solution and seperates from a solution called?

• Participate

• Product

• Salt

• Precipitate

When mixing baking soda and vinegar bubbles of carbon dioxide are formed, what kind of indicator is this?

• Energy Released

• Gas Formation

• Color Change

• Precipitate

8Ba + S₈ ---> 8BaS What kind of reaction is this an example of?

• Synthesis Reaction

• Sensory Reaction

• Synthetic Reaction

• Symbiotic Reaction

CaCO₃ ---> CaO + CO₂ Is an example of what kind of reaction?

• Decomposition Reaction

• Decosmopolitan Reaction

• Decanting Reaction

• Demolition Reaction

C + O₂ ---> CO₂ Is what kind of reaction?

• Synthetic Reaction

• Symbiosis Reaction

• Syntrensic Reaction

• Synthesis Reaction

The decomposition of a substance by an electric current is called_____

• Decomposition

• Electrolysis

• Digestion

• Electrodecomposition

NaCl ---> Na + Cl Is an example of what kind of reaction

• Dodecahedron Reaction

• Decomposition Reaction

• Deconstruction Reaction

• Decanting Reaction

K + NaCl ---> KCl + Na is an example of what kind of reaction?

• Single-displacement reaction

• Double- decomposition reaciton

• Single- decomposition reaction

• Double-displacement reaction

FeS + 2HCl ---> H₂S + FeCl₂ Is an Example of what kind of reaction?

• Single -displacement Reaction

• Double-placement reaction

• Double-displacement reaction

• Singe -placement reaction

What in what kind of reaction does a substance combine with oxygen, releasing a large ammount of energy in the form of light and heat

• Construction Reaction

• Combustion Reaction

• Complosion Reaction

• Combusken Reaction