NGSS.MS-PS1-2

In a ___________change, a substance changes into a different substance.

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

Substances that form as the result of a chemical reaction

• products
• reactants
• coefficients
• subscripts

Tags

NGSS.MS-PS1-2

the starting materials in a chemical reaction

• Products
• Reactants
• Starters
• Enders

Tags

NGSS.MS-PS1-2

Bubbles produced as in the yeast and peroxide demonstration is an example of a --- property.

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

Tammy wanted to test the pH of a liquid solution. She added three drops of Phenol Red to solution, after a few moments she noticed a bright yellowish cooler. What is most likely the pH of the solution?

• 6.8 or below

• 8.2 and above

• Neutral

• None of these because I do not have enough information.

Tags

NGSS.MS-PS1-2

Vinegar + baking soda reaction.

Is it a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

What reaction has the following general formula:

AB + CD --> CB + AD

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Tags

NGSS.MS-PS1-2

In this equation, the reactants are on the

• left of the arrow

• right of the arrow

Tags

NGSS.MS-PS1-2

Is a a rusting bicycle a chemical or physical change?

• chemcial
• physical

Tags

NGSS.MS-PS1-2

If an acid is combined with a base of equal strength, the result will most likely be

• a neutral solution.
• a stronger acid.
• impossible to tell without testing the pH.
• a stronger base

Tags

NGSS.MS-PS1-2