Burning elements

Question 1

What happens when burning Magnesium?

Answer 1

White flame, white powder (s) formed - magnesium oxide

Question 2

What happens when burning hydrogen?

Answer 2

Pale blue flame, (can say water vapour is formed but not observable)

Question 3

What happens when burning sulfur?

Answer 3

Blue flame, (sulfur dioxide is formed but colorless so not observable)

Question 4

What happens when you heat CuCO3 (copper 2 carbonate)

Answer 4

Green solid (initially), thermally decomposes, forms CuO (Black) and CO2