Chemical Change Quiz Review

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

• Plants changing sunlight, water, and carbon dioxide into

  glucose and oxygen.

• Rolling a ball of dough into a flat pizza.

• Sugar turning into caramel.

• Rust forming on your bike.

Both physical and chemical changes affect matter, but physical

changes are _____________ and chemical changes are _______________.

• permanent, reversible

• irreversible, reversible

• irreversible, permanent

• reversible, irreversible

Tags

NGSS.MS-PS1-4

In a chemical reaction in which sodium and chlorine are chemically

combined to form a salt, which of the following are the reactants?

• sodium and salt

• just salt

• sodium and chlorine

• salt and chlorine

Tags

NGSS.MS-PS1-1

An ice cube melts in a glass of water. Has a chemical reaction taken

place? How do you know?

• Yes, a gas was given off.

• No, a phase change does always not indicate a chemical

  change.

• Yes, a new substance was formed.

• No, the color did not change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

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

• A popsicle melting in the sun.

• Boiling a pot of water.

• Rolling a ball of dough into a flat pizza.

• Rust forming on your bike.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is evidence that a chemical change has

occurred?

• The reactants separate

• A strong odor

• A new substance is formed.

• None of the above.

Tags

NGSS.MS-PS1-2

In a chemical reaction in which sodium bicarbonate and vinegar

are chemically combined to form carbon dioxide, water, and

sodium acetate, which of the following are the products?

• carbon dioxide only

• sodium acetate, water, and carbon dioxide

• sodium bicarbonate and vinegar

• sodium bicarbonate and water

Tags

NGSS.MS-PS1-2

Which component represents a reactant in the diagram above?

• Water

• Carbon Dioxide Gas

• Baking Soda

• Oxygen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which component represents a product in the diagram above?

• Carbon Dioxide Gas

• Air

• Vinegar

• Baking Soda

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Baking soda and vinegar chemically change. What evidence

supports a chemical change?

• A gas is produce.

• A mixture is formed.

• The baking soda dissolved.

• color change

Tags

NGSS.MS-PS1-2