Write TRUE if the statement is a fact and FALSE if the statement is not true
___1.Synthetic fibers are usually obtained from plastics and other chemicals like polyester.
___2.rust is an oxide that forms when iron reacts to oxygen in the presence of water.
___3.physical change does not involve a chemical reaction.
___4.evaporation and freezing require the icrease in the temperation of the substane
Answers & Comments
Answer:
1. false
2. true
3. false
4. true