what will happen when potassium liliac colored flame is viewed through blue glass
The flame color will be visible as a reddish violet color. The blue glass, typically a cobalt blue glass, will filter out extraneous colors, such as the intense yellow color of a sodium flame. The intense yellow color of the sodium flame will mask the potassium flame unless something like the cobalt blue filter is used.
When potassium is burned, it emits a characteristic violet or lilac colored flame. If this colored flame is viewed through blue glass, the specific outcome depends on the specific properties of the glass.
Blue glass can either transmit or absorb certain wavelengths of light, depending on its composition. If the blue glass transmits the violet or lilac color of the potassium flame, then you would still be able to observe the flame as violet or lilac, but it may appear slightly dimmer or altered due to the tint of the glass.
However, if the blue glass absorbs or blocks the violet or lilac color of the potassium flame, then you might not see the expected color. Instead, the flame could appear to be a different shade or color, depending on the specific properties of the glass. For example, if the blue glass absorbs the violet light, the flame might appear bluish or even colorless depending on the intensity of the absorption.
To find out what exactly happens when a potassium lilac colored flame is viewed through blue glass, you would need to analyze the specific composition and properties of the blue glass being used.