Chemical Reactions Basic

Which is a chemical reaction

• A banana ripped

• ice melting

• pencil breaking

• paper burning

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which one is a chemical change

• Digesting a Burger

• Breaking a XBOX

• Breaking a PC

• Breaking a PS4

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which one(s) a chemical change

• Baking dough

• Cutting bread

• Frying fries

• Opening fries

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

which one is not a physical change but a chemical change

• Biting an apple

• Rotting an banana

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What happens in ALL chemical changes?

• Change in state of matter
• A new substance is formed
• Bubbles are produced
• An explosion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is sharpening a pencil a physical or chemical change?

• Physical 
• Chemical

Aluminium + Hydrochloric acid goes to 

• aluminium oxide
• aluchloride
• aluminium chloride 
• aluminium chloride + hydrogen 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Sodium + Sulphuric acid goes to 

• Sodium sulphide
• Sodium chloride
• Sodium sulphate 
• Sodium sulphate + hydrogen 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

metal + acid goes to

• salt + hydrogen gas
• salt
• salt + water
• no reaction is formed

How can you test to show that when a metal reacts with water, hydrogen gas is produced?

• Relights a glowing splint
• A lit splint produces a squeaky pop
• Puts out a burning splint
• Is cold to the touch