NGSS.MS-PS1-2

Which of these solutions is an acid?

• Dish Soap: pH of 12
• Tomato Soup: pH of 4
• Baking Soda: pH of 9
• Drain Cleaner: pH of 14

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NGSS.MS-PS1-2

What might happen if you mixed a strong acid with an equally strong base?

• You would see an explosive chemical reaction.
• The acid would destroy the base.
• The base would destroy the acid.
• You'd wind up with a pH-neutral substance.

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NGSS.MS-PS1-2

The tendency of an element to react with other elements to produce compounds. 

• Chemical change
• Neutrality
  
• Reactivity
  
• Valence 

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NGSS.MS-PS1-2

Sodium Hydroxide dissolves in water

• Chemical Change
• Physical Change

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NGSS.MS-PS1-2

Which of the following is the strongest base?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

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NGSS.MS-PS1-2

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

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NGSS.MS-PS1-2

Salt dissolved in water is a

• physical change

• chemical change

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NGSS.MS-PS1-2

Is the compound in the pink box a Reactant or a Product?

• Reactant

• Product

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NGSS.MS-PS1-2

Andres is a chemist working at a company that makes ink. To make a new kind of ink, Andres mixed two liquid substances together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.

After mixing, Andres found two solid substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?

• 
• 
• 
• 

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NGSS.MS-PS1-2

Analysis of potential toxins

• Toxicology

• Trace Evidence

• Medical Forensics

• Taxes

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NGSS.MS-PS1-2