What is the colour of the flame when sodium is subjected to flame test?

Define flame.

What is the product obtained when alkynes are subjected to hydrogenation in the presence of lindlar's catalyst?

take some carbon compounds ( naphthalene , camphor , alcohol ) one by one on a spatula and burn them * observe the nature of the flame and note whether smoke is produced * place a metal plate above the flame . Is there a deposition on the plate in case of any of the compounds ?

What are flame cells?

The alkaline earth metal which imparts apple green colour to bunsen flame when introduced in it in the form of its chloride is

What is the colour imparts when calcium, Barium and strontium undergoes glame test?

The colour given by barium in flame is