Intro to chemical reactions exit ticket

indicates substance is a liquid

• g

• cr

• aq

• l

Tags

NGSS.MS-PS1-4

Which are the products in the reaction shown?

• Al₂O₃
• Al
• O₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In the following equation, what are the products?
HCl + Zn → H₂ + ZnCl₂

• HCl + Zn
• H₂ + ZnCl₂
• Zn → H₂
• the stuff on the outside

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In this image, what are the information in red is called the_______.

• Product
• Reactant
• Chemical Subscript

Tags

NGSS.MS-PS1-2

The symbol for a substance dissolved in water is

• (s)
• (l)
• (g)
• (aq)

What are Chemical Reactions?

• It's when you mix substances.
• a process in which atoms rearrange to form new substances
• When something bubbles.
• letter and numbers showing the types and number of atoms

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS1-1

A chemical equation is a description of a reaction using symbols

• TRUE
• FALSE

The arrow in a chemical equation separates two or more reactants 

• FALSE
• TRUE

For a science project, Janet performs four experiments that are supposed to show a chemical reaction. She displays her results in a table. In the column titled "Chemical reaction?,” which experiment’s data should be changed to "No”?

• experiment 1

• experiment 2

• experiment 3

• experiment 4

Tags

NGSS.MS-PS1-2

When baking soda and vinegar react, the surface bubbles. What does this most likely indicate?

• a chemical change, because a precipitate is being formed

• a chemical change, because gas is being formed

• a non-chemical change, because a precipitate is being formed

• a non-chemical change, because a gas is being formed

Tags

NGSS.MS-PS1-2