Question

what happens when red hot coal is brought near a test tube filled with oxygen ?​

Answer 1

Answer:

We know that coal, too, burns in air producing carbon dioxide, heat and light. A chemical process in which a substance reacts with oxygen to give off heat is called combustion.

Answer 2

We Know that coal, too burns in air producing carbon Dioxide, heat and light. A chemical process in which a substance reacts with oxygen to give off heat Is called combustion....