IPC Unit 8: Chemical RXN

Which of the following is an example of a chemical change/property?

• Combustibility

• A salt dissolving in water.

• Density

• A Granny Smith apple is green.

Tags

NGSS.MS-PS1-2

Which of the following is an example of a physical change/property?

• Combustibility

• Oxygen gas reacting with a hydrocarbon under pressure.

• Corrosiveness

• A Granny Smith apple is green.

Which of the following is an example of a chemical change/property?

• Hardness

• Silver metal is shiny.

• When exposed to water, copper turns into a green-blue color.

• Luster

Tags

NGSS.MS-PS1-2

Which of the following is an example of a physical change/property?

• Toxicity

• Silver metal is shiny.

• When exposed to water, copper turns into a green-blue color.

• Vinegar reacts with backing soda.

Where does "heat" belong in a chemical equation for an Exothermic Reaction?

• As a reactant.

• As a product.

• As both a reactant and a product.

• Neither a reactant nor a product.

Tags

NGSS.HS-PS1-4

Where does "heat" belong in a chemical equation for an Endothermic Reaction?

• As a reactant.

• As a product.

• As both a reactant and a product.

• Neither a reactant nor a product.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following best explains why we have to balance chemical equations?

• We actually don't!

• Because the moles of the reactants must be equal to the moles of the products.

• Because the Law of Conservation of Mass.

• I don't know :\

Tags

NGSS.MS-PS1-5

Which of the following is a Single Replacement Reaction

• Lithium reacts with water.

• Sodium fluoride reacts with barium chloride.

• Ethane reacts with oxygen gas.

• Magnesium reacts with nitrogen.

Which of the following is a Double Replacement Reaction

• Lithium reacts with water.

• Sodium fluoride reacts with barium chloride.

• Ethane reacts with oxygen gas.

• Magnesium reacts with nitrogen.

Which of the following is a Combustion Reaction

• Lithium reacts with water.

• Sodium fluoride reacts with barium chloride.

• Ethane reacts with oxygen gas.

• Magnesium reacts with nitrogen.

Tags

NGSS.MS-PS1-5