Answer:
friend according to the question the answer is +3 ....
Answer:
Mg(OH)₂ + 2HCI → MgCI₂ + 2 H₂ O
Explanation:
Question 3 - liquid b would evaporate faster
Question 4 - lower
Question 5 - yes
Sorry if any of these are wrong but im pretty confident in the answers
A. Oxygen ion
I am not sure but that's the right one I think. If I am wrong then I am sorry
Answer: (1)CaSO4 -> (2)O2 + (1)CaS
Explanation: edge 2020 chem