Chemical Reactions Flashcards
1
Q
What is a physical change?
A
A change in state.
2
Q
How can physical properties,(gas, liquid, solid) change?
A
A change in temperature will change the substance.
3
Q
What’s a dilution?
A
Solute into solvent.
4
Q
What’s a solute?
A
For ex sugar
5
Q
What’s a solvent?
A
For ex water
6
Q
For physical changes does anything really change?
A
No.
7
Q
What’s a chemical change?
A
It’s a change that forms a new substance.
8
Q
Examples of chemical changes. (Name 4)
A
1-heat or light emitted
2-color change
3-formation of a precipitate
4-gas emission
9
Q
What’s oxidation?
A
Something plus oxygen makes something oxide
10
Q
What’s synthesis?
A
Making something new.
11
Q
What’s decomposition?
A
The break down of a molecule.
