In a flame test for calcium, the flame appears
-
green when viewed through a blue glass
- blue when viewed through a blue glass
- orange -red when viewed through a blue glass
- brick-red when viewed through a blue-glass
The correct answer is: A
Explanation
When a Calcium compound is held in a non-luminous Bunsen flame and viewed directly with the naked eye, it is seen as brick red,then as light green as seen through blue glass.