Why is fire red and orange in colour?
What is chemical particles in it?
Answers
Explanation:
The flame test is an analytical chemistry method used to help identify metal ions. While it's a useful qualitative analysis test—and a lot of fun to perform—it can't be used to identify all metals because not all metal ions yield flame colors. Also, some metal ions display colors that are similar to each other making it hard to tell them apart. Nevertheless, the test is still useful for identifying numerous metals and metalloids.
Answer:
We see fire because energy is given off in the form of light as well as heat. Fires are commonly hydrocarbons burning in the presence of oxygen, giving rise to fine soot particles that emit yellow light when they burn at around 1,000 degrees Celsius
Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam. When additional chemicals are added to the fuel burning, their atomic emission spectra can affect the frequencies of visible light radiation emitted - in other words, the flame appears in a different color dependent upon the chemical additives.
Color composition-
Carmine (dark red) - Lithium chloride
Red - Strontium chloride or strontium nitrate
Orange- Calcium chloride