Answer:
1. Physical Intensive
2. Chemical
3. Physical Extensive
Explanation:
1 is physical intensive because it can be known without undergoing a chemical reaction therefore its physical and the colour doesn't depend on the amount of the substance there therefore it is intensive.
2 is chemical because it must undergo a chemical reaction in order to know.
3 is physical because it can be known without undergoing a chemical reaction and it is extensive because it is dependant on the amount of substance being measured.
