Matter & Reactions

Front

Which of the following is NOT true of matter?
Matter makes up everything in the universe.
It is made up of atoms.
It can be created from nothing and permanently destroyed.
It cannot be created or destroyed.

Back

It can be created from nothing and permanently destroyed.

Front

Identify the products of the reaction: 2 H₂ + O₂ --> 2 H₂O

Back

H₂O

Front

Identify the reactants of the reaction: 2 H₂ + O₂ --> 2 H₂O

Back

H₂ + O₂

Front

Identify the type of mixture in the image.

Back

Heterogeneous

Front

Identify the type of mixture in the image.

Back

Homogeneous

Front

Which of the following is NOT an example of a homogeneous mixture? Air, Salt + Water, Alloys, Oil + Water

Back

Oil + Water

Front

What is a pure substance?

Back

A substance that has the same composition and properties throughout.

Front

Which of the following is necessary for a combustion reaction to take place? Heat, Oxygen, Fuel Source, All of the above

Back

All of the above

Front

The tearing of a post-it note is an example of a:

Back

Physical Change

Front

Rust is an example of: Chemical Change, Tertiary Change, Physical Change, Primary Change

Back

Chemical Change