Rates of reaction Flashcards
1
Q
which change can not be reversed easily?
A
chemical change
2
Q
what is produced from a chemical change?
A
a new substance
3
Q
what change is reversible?
A
a physical change
4
Q
what is produced from a physical change?
A
nothing
5
Q
during a reaction, what is decreased?
A
reactants
6
Q
during a reaction what is increased?
A
products
7
Q
in a method for reaction, what always has to be mentioned?
A
“start stop watch”
8
Q
what paper is rates of reactions on?
A
paper 1
