Chemistry Quiz #2 Review!

What happened when we mixed road salt, baking soda, and water?

• The mixture turned blue.

• The mixture fizzed and bubbled.

• The mixture became cold.

• The mixture emitted a strong odor.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the color of baking soda?

• White

• Blue

• Yellow

• Green

Is baking soda soluble in water?

• Yes

• No

What is the color of road salt?

• White

• Red

• Black

• Brown

Is road salt soluble in water?

• Yes

• No

Which of the following observations are signs of a chemical reaction?

• Change in color

• Formation of bubbles

• Temperature change

• All of the above

Tags

NGSS.MS-PS1-2

What is the color of the solid that was left in the bag after mixing?

• White

• Blue

• Yellow

• Green

Are the properties of the road salt and baking soda the same or different from the properties of the solid left in the bag after mixing?

• Same

• Different

Tags

NGSS.MS-PS1-2

Did mixing road salt, water, and baking soda form a new substance?

• Yes

• No

Tags

NGSS.MS-PS1-2

What is your evidence that supports that baking soda, road salt and water made a new substance?

• The mixture changed color.

• The new substance has a different solubility than the reactants (baking soda and road salt).

• The mixture became colder.

• The mixture emitted a strong odor.

Tags

NGSS.MS-PS1-2