<u>Answer:</u>
Erlenmeyer flask can be heated up with a Bunsen burner.
<u>Explanation:</u>
A bunsen burner is a lab equipment that is used to heat things that aren't made up of anything flammable. The things that are to be heated with a bunsen burner are instruments of material like borosilicate like pyrex.
An Erlenmeyer flask that also goes by the names conical flask or even a titration flask can withstand a large amount of heat from the bunsen burner as it's made up of very thick and resistant glass. A graduated cylinder will not be able to withstand that amount of heat and a plastic pipette is sure to melt.
Reduction I think... not entirely sure though... when a molecule loses oxygen...?
Iron is matter; since the smallest unit of matter is atoms, iron could be brokolen down into atoms. unlike iron, water is a molecule made from atoms that were chemically combined, so water could be broken down into molecules.
1. true
2. false
3. false
4. true
5.false
6. It's true but can be false because a change in state can be a physical change as well.
Answer:
answer it by yourself and own way