Question

1.
Fill in the blanks A,B,C and D with appropriate words:
When magnesium ribbon is heated on a bunsen burner it catches (A_) and forms a
white ash called B__). This change (C) be reversed. Hence this change is a
LD_)change​

Answer 1

Answer:

A.Oxygen

B.Magnesium Oxide

C.Reversible reaction