SC.8.P.8.8 Compounds- Acids Bases and Salts

Propane is a....

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

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• 
• 

Tags

NGSS.K-2-ETS1-2

NGSS.K-PS2-1

NGSS.K-PS2-2

Which of the following is a mixture?

• 
• 
• 

Select the compound in these particle diagrams.

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Which is a mixture of elements?

• 
• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

Bases are located where on the pH scale?

• any number can be a base
• below 7
• above 7
• number 7 is a base

Water is a pH of 7. Which of the following terms best describes water?

• element

• acid

• base

• neutral

According to the pH scale, which item is more acidic than lemons?

• battery

• vinegar

• milk

• blood

Tags

NGSS.MS-PS1-2

According to the pH scale, which item is a stronger base than soap?

• baking soda

• ammonia solution

• tomato

• bleach

A substance that is 3 on the pH scale would be a(n):

• acid

• base

• neutral

• solute