What is the main goal of the types of compounds lab?

• To determine which compound is salt, sugar, and baking soda

• To identify the color of the compounds

• To find the pH level of the compounds

• To measure the weight of the compounds

What tool is used to test the conductivity of the compounds?

• A pH meter

• A thermometer

• A conductivity probe

• A scale

Which compound was not conductive as a solid?

• Compound C

• Compound B

• All of the above

• Compound A

What does it mean if only one red light lights up during the conductivity test in water?

• The compound is partially conductive

• The compound is highly conductive

• There are impurities in the water or compound

• The compound is not conductive

Which compound was found to be conductive when dissolved in water?

• Both B and C

• Compound A

• Compound B

• Compound C

What reaction occurs when baking soda is added to vinegar?

• It changes color

• It fizzes

• It dissolves completely

• It remains unchanged

Tags

NGSS.MS-PS1-2

Which compound reacted with vinegar?

• None of the above

• Compound C

• Compound B

• Compound A

Tags

NGSS.MS-PS1-2

What indicates a low melting point in the melting point test?

• The compound does not melt

• The compound evaporates

• The compound melts quickly

• The compound changes color

Tags

NGSS.MS-PS1-4

Which compound had a low melting point?

• Compound A

• Compound C

• Compound B

• Both B and C

Which compound did not react with vinegar and had a high melting point?

• Compound A

• Compound B

• Both A and B

• Compound C

Tags

NGSS.MS-PS1-2