Chemistry Quiz 2

Which of the following is a chemical reaction?

• Baking cookies

• Lighting a sparkler

• Adding vinegar to baking soda

• All the above

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

A substance that is formed as the result of a chemical reaction is a __________________

• Product

• Reactant

• Starters

• Enders

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of a chemical change?

• rusting of a bicycle
• painting a house
• washing a dog
• tearing up a newspaper

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which one shows that a chemical reaction has occurred?

• dissolving

• melting

• formation of a gas

• bending

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NGSS.MS-PS1-2

the starting materials in a chemical reaction

• Products
• Reactants
• Starters
• Enders

a substance that is formed as the result of a chemical reaction

• Product 
• Reactant
• Starters
• Enders

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

Describes the number of molecules in a compound and is used to balance a chemical reaction. 

• coefficient 
• subscript
• superscript
• SI unit

Provides evidence that a chemical reaction has occurred. 

• dissolving 
• melting
• formation of a gas
• bending

Tags

NGSS.MS-PS1-2

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation