NGSS.MS-PS1-2

Which of the following will NOT dissolve in water?

• salt
• rocks
• apple juice

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NGSS.5-PS1-3

NGSS.MS-PS1-2

Which is the name of the kind of solid substance formed in this figure?  

• aqueous 
• precipitate
• acid
• synthesis 

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NGSS.MS-PS1-2

Is Gatorade powder dissolving in water physical or chemical change?

• Physical 
• Chemical

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NGSS.MS-PS1-2

This is an example of...

• Chain reaction

• Fusion reaction

• Decomposition reaction

• Decay

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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

Carbonic acid is formed in nature when -

• Water dissolves particles of soil to form mud

• The oxygen molecules in water bond with minerals in rocks

• Water bonds with carbon dioxide in the air and/or soil

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NGSS.MS-PS1-2

If the given solution neither changes the colour of the red litmus nor blue litmus paper , it is ..........................

• An Acid

• A base

• Neutral

• Colourless

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NGSS.MS-PS1-2

Metals react with acids to produce a gas

• Carbon dioxide

• Nitrogen

• Hydrogen

• Oxygen

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NGSS.MS-PS1-2

A _____ is a process in which reactants change into a new product.

• chemical reaction
• cell process
• molecule
• mitochondria

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NGSS.MS-PS1-2

Which of the following is a sign that a chemical reaction has occurred?

• change in shape

• melting

• formation of a gas

• dissolving

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NGSS.MS-PS1-2