Key focal points - Assesed Flashcards
1
Q
Identify physical changes
A
Substance is rearranged, but kept at same molecule structure.
2
Q
Identify chemical change
A
Original particles are broken apart, and recombined to form new substances.
3
Q
Signs of chemical change
A
Colour change, Gas production, Temp change.
4
Q
Chemistry used in industry
A
Sulphuric acid, nitrogen, sodium hydroxide.
5
Q
Steps to making a word equation
A
First, find the reactants (the starting stuff).
Then, find the products (the things made after).
Reactants → Products.
