Experiments in chemistry -2

Identify the apparatus given below.

• mortar and pestle

• evaporating basin

• wire gauze

• tripod stand

Name the flame when the air hole in the Bunsen burner is half open.

• Roaring flame

• Blue flame

• Yellow flame

• Orange flame

Name the apparatus used to separate salt from its solution.

• mortar and pestle

• wire gauze

• evaporating basin

• tripod stand

What is the colour of the flame when the air hole is fully closed?

• yellow

• blue

• white

• purple

Which number in the diagram depicts the Barrel of the Bunsen burner?

• 1

• 2

• 3

• 4