List any two observations that help us to determine whether a chemical

1.	List any two observations that help us to determine whether a chemical reaction has taken place. With the help of a chemical equation, show what happens when given ferrous sulphate crystals are heated? Identify the type of reaction.
Answer» ANSWER: Here, is your above answer. Hope so it HELPS U.

List any two observations that help us to determine whether a chemical reaction has taken place. With the help of a chemical equation, show what happens when given ferrous sulphate crystals are heated? Identify the type of reaction.

Answer»

Here, is your above answer.

Hope so it HELPS U.